SDSS Search: Focus on Excited Lines Back to Interesting Follow-up Targets
By: Sarah True

This list of roughly 65 objects was completed circa 2009. It focuses on the excited troughs of HeI*, FeII*, FeIII*, NiII* and SiII*. Rolling over the object name will display a description for why the object was found interesting, and where applicable, how this object has been followed up.

NOTE: velocity is in units of 1000km/s (i.e. 2.4 is 2400km/s) and flux is in units of 10e-17 ergs/s/cm2/A.

Object Name
Comments
RADecFileUgrIzFluxDepthLinezvdvExcited TroughsQual
J0149-1016
A few troughs from the 13.7k cm^-1 and 8.4k cm^-1 FeII* level detected; all 3 HeI* lines visible; Balmer lines of H* visible out to at least H-Delta; observed by us in Fall 2006 at Magellan/MIKE
01 49 06.73-10 16 49.4352174-0664-04518.8818.4118.1718.2217.45157FeII*0.3610.3HeI* FeII*D
J0318-0600
About 6 different systems; highly reddened QSO; SiII/SiII* 1808/1817 identified; a few NiII* transitions from 8k cm^-1 level; several FeII* from fine-structure of ground state; observed by us Fall 2006 VLT/UVES
03 18 56.616-06 00 37.6751924-0460-32721.7419.317.6317.2116.81813FeII*1.931.10.5FeII* NiII* SiII*D
J0745+1818
Wide blended troughs and only a few distinct well-separated lines; only 2 of 3 FeIII* present; FeII* and NiII* up to 8.4k cm^-1 but most are shallow and blended; ~2” away from a star of similar magnitude.
07 45 54.741+18 18 17.0352939-1582-25619.9419.4118.7618.6718.52114FeIII*1.062.31HeI* FeII* FeIII* NiII*B
J0802+5513
Only HeI* 3890 visible; a couple of excited states of FeII resonance lines possibly present; CaII present; negative velocity so probably an infalling molecular cloud.
08 02 48.19+55 13 28.9453384-1871-44020.8419.2318.4417.9117.784FeII*0.66-0.20.4HeI* FeII*C
J0809+1818
Dozens of finely separated FeII* and NiII* lines!; FeII* has energies going up to 13k cm^-1 and possibly up to 27k cm^-1; NiII* goes up to 10K cm^-1.
08 09 57.391+18 18 04.4353319-1923-02318.6418.0817.4817.4417.272821FeII*0.972.10.7FeII* NiII*A
J0822+2311
Shallow troughs of FeII* of fine-structure of ground state; possible identification of FeII* from 8K cm^-1 energies; all 3 HeI* barely detected; two unique systems in HeI* and MgII – possibly line locked with Mg II
08 22 31.531+23 11 52.0953317-1926-54618.4617.9417.6917.5317.52810FeII*0.650.60.5HeI* FeII*A
J0835+4242
FeII* from fine-structure of ground state nicely separated; high column density because CaII present; all 3 HeI* lines present.
08 35 22.775+42 42 58.2952232-0762-08518.671817.6417.4917.222410FeII*0.810.90.6HeI* FeII*A
J0838+2955
Only SiII/SiII* 1527/1533 visible and is 1:1; possibly contaminated by CIV.
08 38m17.01s29 55 26.5652937-1269-27718.7118.317.8517.617.43205SiII*2.045.40.5SiII*B
J0839+0454
SiII/SiII* 1260/1265 and 1527/1533 both present and deep; low velocity.
08 39m26.616s+04 54 20.2952650-1188-39021.5520.2318.7718.3718.1754SiII*2.450.50.8SiII*C
J0839+3805
SiII/SiII* 1527/1533 and 1808/1817 deep; all 3 FeIII* from 30.1 deep; dozens of troughs from FeII* up to 33.0k cm^-1 and NiII* up to 15.0k cm^-1 but many are wide and blended; only a few distinct uncontaminated transitions.
08 39m42.114s+38 05 26.4252317-0828-00721.6119.6118.9418.9518.6197FeIII*2.320.61FeII* FeIII* NiII* SiII*B
J0840+3633
Wide, blended troughs; SiII/SiII* 1808/1817 present but 1808 contaminated; FeII* lines up to 8k cm^-1 energy level; NiII* lines up to 10K cm^-1 energy; observed by de Kool et. Al (2002 ApJ 570 514)
08 40 44.418+36 33 27.8652320-0864-14918.1817.2416.616.2316.115545FeII*1.230.81.1FeII* NiII* SiII*D
J0859+4239
Extremely wide troughs; only a few distinct lines including: -SiII/SiII* 1808/1817 -the 3 FeIII* transitions of 30.1k cm^-1 - FeII* up to 27 cm^-1 and NiII* up to 15k cm^-1; all transitions between 2200 and 2800 in rest frame is blended.
08 59 10.393+42 39 11.2352294-0831-22819.9219.2719.3418.3718.02127FeIII*1.51.31.3FeII* FeIII* NiII* SiII*B
J0922+0843
Dozens of distinct lines of FeII* up to 27.3k cm^-1 and NiII* up to 15.0k cm^-1 but ground terms and their excited states blended; all 3 FeIII* deep but only from 30.1k cm^-1 level; SiII/SiII* 1808/1817 present
09 22 21.251+08 43 12.9352763-1302-19219.9419.3918.8518.6518.05138FeIII*1.973.60.8FeII* FeIII* NiII* SiII*A
J0929+2627
Only SiII/SiII* 1527/1533 present and appears 1:1
09 29 38.005+26 27 53.4753383-1940-05921.7320.4219.2718.9515.832SiII*2.253.90.8SiII*C
J0932+0840
SiII/SiII* 1808/1817 present and deep; several distinct lines of NiII* up to 15k cm^-1; only excited states of ground term of FeII* present but mostly blended
09 32 24.496+08 40 08.0652993-1304-27022.7920.3819.1118.8318.4354SiII*2.30.50.4FeII* NiII* SiII*B
J0933+3133
SiII/SiII* 1260/1265 and 1808/1817 present but 1:1; only the first 2 of 3 FeIII* lines from 30.1k cm^-1 level definitely present
09 33 48.376+31 33 35.3053386-1943-30621.7919.8519.2618.8118.3363SiII*2.62.40.7FeIII* SiII*C
J0943+3243
Several distinct lines of FeII* from 1 up to 21k cm^-1 level to the right oc CIV; several NiII* up to 8.4 cm^-1; at least two systems and both contain all 3 FeIII* from the 30.1k cm^-1 level and the SiII/SiII* 1808/1818; in fact the two system look line locked with SiII/SiII* and/or FeIII*
09 43 47.223+32 43 14.2653387-1945-29323.0920.3918.8518.0718.15107FeIII*2.861.50.8FeII* FeIII* NiII* SiII*B
J0957+4406
All 3 FeIII* from both 30k and 41k cm^-1 present; SiII/SiII* 1808/1817 is 1:1; FeII* up to 30k cm^-1 and NiII* up to 23k cm^-1 and up to 7 units deep!
09 57 21.372+44 06 42.9152703-0942-18718.7718.1917.9617.4917.392010FeIII*1.495.90.8HeI* FeII* FeIII* NiII* SiII*A
J0957+5120
All 6 FeIII* from the 30.1k and 41.0k cm^-1 deep and wide especially the 30.1k cm^-1 levels; hints of FeII* and NiII* up to 8.4k cm^-1 although shallow at only 1-2 units deep and somewhat blended; appears to be two distinct systems with lower velocity component containing the excited lines.
09 57 12.631+51 20 58.9552409-0902-59219.8419.3618.8318.5118.3395FeIII*2.12.91.1FeII* FeIII* NiII*B
J1002+3424
SiII/SiII* 1527/1533 present and 1527 is deeper so exact density can be constrained; excited states of FeII resonance possibly present; Unfortunately the absorber has low velocity so probably molecular cloud instead of outflow
10 02 09.452+34 24 16.9753388-1948-62319.4618.918.3717.817.38137SiII*1.920.20.4FeII* SiII*C
J1006+0513
Many transitions of NiII* up to 15.0k cm^-1 and FeII* up to 27.3k cm^-1 but most are blended and contaminated; only a few distinct but shallow troughs
10 06 05.665+05 13 49.0252641-0996-24320.1119.4518.8718.6218.2773FeII*0.972.20.5FeII* NiII*C
J1011+5155
Several distinct lines of FeII* from ground terms and NiII* up to 8.4k cm^-1; SiII 1808 present but not SiII* 1817; possibly up to 6 distinct systems
10 11 08.895+51 55 53.8252400-0903-06822.4120.6118.8318.1317.7784FeII*2.472.30.4FeII* NiII*B
J1020+6023
Several lines of FeII* up to 13.7k cm^-1 and NiII* up to 8.4k cm^-1; only a few not blended; CaII and HI* possibly present but in a different slower system
10 20 36.108+60 23 38.9552370-0771-01120.719.9718.6518.3217.9274FeII*0.9910.6FeII* NiII*B
J1021+0516
Only SiII/SiII* 1260/1265 present and 1265 could be contamination from atmospheric OI
10 21 54.016+05 46 46.3952319-0575-41024.6520.8519.2118.2717.9395SiII*3.474.51.1SiII*B
J1022+3722
Dozens of transitions of FeII* up to 31k cm^-1 and NiII* up to 15k cm^-1 with transitions 8.4k cm^-1 and lower especially deep; several lines are blended but many distinct troughs exist; possible partial covering; SiII/SiII* 1808/1817 present but shallow; several transitions of FeII* shortward of AlIII exist
10 22 36.229+37 22 41.4453415-1957-39021.5219.9118.918.3317.7775FeII*1.881.60.5FeII* NiII* SiII*B
J1023+5005
Dozens of FeII* lines up to 8.4k cm^-1 level; a few NiII* from the 8.4k cm^-1 level; all 3 FeIII* from 30.1k cm^-1 level present.
10 23 22.804+50 05 00.8752707-1008-12419.7919.1318.5818.2818.24137FeIII*1.590.80.5Fe II* FeIII* NiII*B
J1024+5553
Only the pair SiII/SiII* 1527/1533 visible
10 24 37.427+55 53 01.2752411-0947-24320.1819.6719.218.918.7952SiII*1.963.50.5SiII*C
J1044+3656
Two outflows at 600 and 3400 km/s; the slower outflow has FeII* fine-structure of the ground state while the faster outflow has HeI* 3890 and CaII; possibly line locked in CaII; observed by de Kool et. Al (2001 ApJ 548 609)
10 44 59.608+36 56 05.1953463-2090-32917.8617.1116.8216.6616.595418FeII*0.70.60.7HeI* FeII*D
J1050+0715
SiII/SiII* 1527/1533 present and 1:1; FeII present but no FeII*; low velocity
10 50 49.735+07 15 54.8252670-1001-50219.9619.4418.9518.6218.4194SiII*1.910.10.4SiII*C
J1125+0029
Dozens of distinct troughs of FeII* up to 31k cm^-1 and NiII* up to 25k cm^-1; all 3 HeI* present; Hdelta present.
11 25 26.125+00 29 01.3251614-0281-42719.4619.3218.3318.0517.83146FeII*0.860.80.4HeI* FeII* NiII*B
J1127+4859
SiII/SiII* 1527/1533 and 1808/1817 present; a few lines of NiII* up to 8.4k cm^-1 and FeII* from the ground term
11 27 36.705+48 59 39.3052642-0966-27421.2819.7118.6518.2518.1965SiII*1.831.60.6FeII* NiII* SiII*B
J1128+0113
Several distinct lines of FeII* up to 27.3k cm^-1 and NiII* up to 15.0k cm^-1; resonance lines and excited lines of ground state blended however
11 28 28.315+01 13 37.9751992-0512-12319.7419.5618.618.3518.0296FeII*0.891.60.4FeII* NiII*B
J1130+0411
SiII/SiII* 1527/1533 and 1808/1817 present and 1806 appears deeper than 1817; several low energy FeII* transitions up to 3k cm^-1 longward of CIV; several narrow and distinct transitions of ground NiII
11 30 10.58+04 11 28.0552642-0837-22024.1222.2119.318.0917.41010SiII*3.930.50.9FeII* SiII*A
J1134+3238
Highly blended but several distinct lines of FeII* up to 13.7k cm^-1 and NiII* up to 9.3k cm^-1; SiII/SiII* 1808/1817 present; several unidentified lines between 2000 and 2300 in the rest frame of the QSO which are probably ground state transitions of Mg I, Cr II and/or Cu II
11 34 24.642+32 38 02.4553460-2098-25122.6720.6318.5518.0517.4129FeII*2.462.80.9FeII* NiII* SiII*A
J1138+4001
All 3 lines of HeI* visible; two transitions of FeII* from 13.5/13.7k cm^-1 detected; low velocity
11 38 04.885+40 01 18.9553466-1972-48419.7619.0118.2418.1617.37102FeII*0.290.20.5HeI* FeII* C
J1145+1100
Dozens of deep distinct transitions of FeII* up to 26k cm^-1 and NiII* up to 15k cm^-1; unfortunately low velocity
11 45 56.25+11 00 18.4452734-1266-37519.9119.318.9418.818.5287FeII*0.930.20.3HeI* FeII* NiII*C
J1206+0023
Very shallow and noisy troughs of FeII* definitely up to 13.7k cm^-1 and possibly up to 27k cm^-1; only a few well defined non-blended transitions
12 06 27.623+00 23 35.5451999-0286-49920.9120.1919.0718.6818.5543FeII*1.111.90.4HeI* FeII*C
J1211+1438
Only HeI* 3890 visible; a couple of excited states of FeII resonance lines possibly present but blended/noisy; slow velocity so probably a molecular cloud.
12 11 18.669+14 38 10.4653466-1765-19719.1318.5618.4818.2118.45113FeII*0.580.20.5HeI* FeII*C
J1215+4406
Only SiII/SiII* 1260/1265 present and appears near 1:1
12 15 00.374+44 06 30.1453090-1370-11922.8319.5719.2418.7618.51107SiII*2.9110.8SiII*B
J1219+6725
All 3 FeII* from 30k cm^-1 present but shallow
12 19 44.000+67 24 05.9251957-0493-59318.7518.3117.9917.8317.87225FeIII*1.573.90.4FeIII*B
J1224+3632
All 3 FeIII* from 30k cm^-1 present; 3 distinct systems; SiII/SiII* 1527/1533 and 1808/1817 present and 1:1; FeII* has separated lines from fine structure of ground state: several 2-3k cm^-1 right of CIV absorption and energies up to 27k cm^-1 – all fairly shallow with depths of 4-5; NiII* up to 15k cm^-1
12 24 07.54+36 32 24.1853442-2003-49719.1218.4517.8917.4517.26199FeIII*1.7620.6HeI* FeII* FeIII* NiII* SiII*A
J1226+1209
All 3 HeI* present and 3-9 units deep; FeII* up to 13.7k cm^-1 present and separated longward of MgII but blended/noisy shortward of MgII
12 26 14.971+12 09 25.4153120-1614-14519.4119.0218.2118.117.88142FeII*0.871.10.3HeI* FeII*C
J1227+5053
A few shallow lines of FeII* from the ground term present; HeI* fairly deep; CaII present
12 27 03.19+50 53 56.3052644-0971-45921.0819.4418.5418.0917.6663FeII*0.761.30.3HeI* FeII*C
J1259+1213
Extremely wide and blended troughs; possibly a few distinct FeII* from the 13.7k cm^-1 level detected; all 3 HeI* lines present; HI* down to at least H-delta
12 59 42.803+12 13 12.6053473-1695-07519.8319.2118.5118.1918.08103FeII*0.752.51.3HeI* FeII*C
J1319+0550
Dozens of distinct transitions of FeII* up to 32.9k cm^-1 and NiII* up to 15k cm^-1; the 3 FeIII* 30.1k cm^-1 transitions present; HeI* 3189 and 3890 visible
13 19 50.446+05 50 44.8552376-0851-52420.3319.919.2318.9616.7943FeII*1.060.80.5HeI* FeII* FeIII* NiII*C
J1319+2833
SiII//SiII* 1808/1817 present but 1:1; FeIII* from 30k and 41k cm^-1 energy levels detected; all FeII* and NiII* beyond 2100 AA in rest frame blended
13 19 57.704+28 33 11.1153471-2002-13619.0618.4517.6117.2116.792112FeIII*2.044.41.3FeII* FeIII* NiII* SiII*A
J1321-0041
SiII/SiII* 1808/1817 distinct while other SiII/SiII* pairs blended; 3 transitions of FeIII* shallow but present; a few NiII* up to 8.4k cm^-1; too high redshift to see any FeII*
13 21 57.704-00 41 52.0451984-0296-15323.720.4519.2518.6418.3953SiII*3.0720.7FeIII* NiII* SiII*C
J1333+4556
Dozens of distinct narrow transitions of FeII* (including lower energies to the right of CIV) up to 20k cm^-1 and NiII* up to 15k cm^-1; unfortunately atmospheric noise dominate beyond 8500 AA; SiII/SiII* 1260/1265 1304/1309 1527/1533 and 1808/1817 present; all 3 FeIII* from 30.1k cm^-1 visible.
13 33 32.732+45 56 06.2253063-1463-07521.1619.4519.1818.8718.5774SiII*2.641.80.5FeII* FeIII* NiII* SiII*B
J1334+3205
A few distinct FeII* transitions from the ground term visible in the 2383 group but not in the 2600 group; only HeI* 3890 visible
13 34 41.591+32 05 54.6553468-2109-17020.0219.3919.1319.0518.8885FeII*0.670.70.3HeI* FeII*B
J1341-0036
FeII* and NiII* up to 20.3k cm^-1 and 10.7k cm^-1 respectively but shallow troughs of ~2-3 units; many distinct transitions including several FeII* right of EVI emission; all 3 FeIII* from 30.1k cm^-1 visible; all SiII/SiII* (1260 1304 1527 1808/1265 1309 1533 1817) present
13 41 45.128-00 36 31.2151671-0299-17220.8819.6619.0118.5218.2784FeIII*2.222.40.5FeII* FeIII* NiII* SiII* B
J1352+4239
Highly blended troughs – there are no distinct transitions of FeII*; the only possible distinct excited transiton is the SiII/SiII* 1808/1817
13 52 46.373+42 39 23.5852814-1345-02720.7918.6517.5317.6916.48163SiII*2.049.51.6FeII* SiII*C
J1439-0106
SiII/SiII* 1527/1533 visible and 1527 is deeper so exact densities can be constrained; a few transitions of FeII* from the ground term visible
14 39 07.511-01 06 16.7652409-0919-56619.7419.318.9818.5918.39106SiII*1.822.40.3FeII* SiII*B
J1440+3710
Several lines of NiII* and FeII* lines up to 8.4k cm^-1; many transitions near ground term of FeII blended but a few well-separated distinct lines
14 40 02.245+37 10 58.5253115-1382-48223.0320.3218.9918.0617.7475FeII*1.413.40.4FeII* NiII*B
J1448+4043
Highly blended troughs; FeII* possibly up to 8k cm^-1 and NiII* possibly up to 10k cm^-1; low velocity
14 48 00.146+40 43 11.7253119-1397-19819.9818.517.0816.7816.47289FeII*0.80.10.7FeII* NiII*C
J1508+6055
Several lines of FeII* from excited states of ground terms and NiII* up to 8.4k cm^-1; unfortunately many contaminated by a second intervening system
15 08 48.798+60 55 51.9052055-0611-11421.4619.5718.6517.5417.4594FeII*1.533.70.8FeII* NiII*B
J1620+4157
Wide blended troughs of the FeIII* from 30.1k cm^-1 FeII* up to 27.3k cm^-1 and NiII* up to 15.0k cm^-1; only a few distinct uncontaminated troughs
16 20 16.604+41 57 44.1452753-1171-60319.7519.3518.918.6518.5893FeIII*1.291.80.8HeI* FeII FeIII* NiII*C
J1624+3538
SiII/SiII* 1527/1533 and 1808/1817 present and the ground state deeper so exact densities can be constrained; probably molecular cloud since infalling
16 24 19.962+35 38 45.2852522-1057-61219.5918.7518.2117.7817.55137SiII*1.77-0.50.6SiII*C
J1634+4640
SiII//SiII* 1527/1533 deep; several distinct lines of FeII* from the ground term and 8.4k cm^-1 level but very shallow with depths of 1-2 units; CIV is offset about 300 km/s slower than the other transitions of the same system – interesting
16 34 31.805+46 40 37.0152144-0627-17219.2619.219.0918.7318.67135SiII*1.830.70.4FeII* SiII*B
J1718+2643
Only the pair SiII/SiII* 1260/1265 distinctly visible and deep; SiII/SiII* 1527/1533 possibly present but contaminated by CIV
17 18 13.250+26 43 52.2052427-0979-18520.2218.6519.1918.8518.685SiII*2.082.20.7SiII*B
J1723+5553
Dozens of distinct troughs of FeII* up to 31k cm^-1 and NiII* up to 25k cm^-1; all 3 FeIII* lines from 30.1k cm^-1 are deep
17 23 41.089+55 53 40.5751997-0367-50620.5420.1418.3618.5217.651610FeIII*2.132.40.7FeII* FeIII* NiII* SiII*A
J2107-0620
Hundreds of FeII* transitions up to energies 30k cm^-1; many of them are well separated!!!; observed by Pat Hall 2005 VLT/UVES and us Fall2006 Magellan/MIKE
21 07 57.664-06 20 10.6352174-0637-61018.2117.4917.2316.8416.783920FeII*0.651.20.6HeI* FeII* NiII*D
J2151+0053
SiII/SiII* 1527/1533 and SiII 1808 visible; SiII 1527 deeper than SiII* 1533 so exact densities can be constrained; low velocity so probably molecular cloud
21 51 51.606+00 53 23.1752078-0371-45219.1718.7518.5318.1818.13196SiII*1.830.20.5SiII*C
J2226+1427
Dozens of distinct separated lines of FeII* from ground terms and up to 8.0k cm^-1; a few NiII* from 8.4k cm^-1; SiII* 1533 also present; observed by us Fall 2006 with Magellan/MIKE
22 26 16.501+14 27 14.6552518-0737-52320.0219.3918.8918.4818.3886FeII*1.671.10.4FeII* NiII* SiII*D
J2305+1517
All 3 FeIII* 30k cm^-1 and HeI* identified with troughs having depths of 11 and 7 respectively; unfortunately SiII* 1817 FeII* up to 27k cm^-1 and NiII* up to 15k cm^-1 are shallow at depths ~4; all 3 FeIII* 40k cm^-1 are also present; H-delta quite visible; QSO is 6.4' away from 2.5 mag star- alpha Peg, Markab
23 05 01.003+15 17 34.9952262-0743-33718.7318.1817.7317.5617.431811FeIII*1.121.10.7HeI* FeII* FeIII* NiII* SiII*B
J2357-0048
SiII/SiII* 1260 1304 1527/1265 1309 1533 present but appear 1:1
23 57 02.549-00 48 24.0051791-0387-24621.919.4719.0318.7318.5295SiII*3.012.70.4SiII*B

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