Table 3
continued.
| Observed features | Feature identification | ||||||||||
| (Å) | (Å) | ||||||||||
| J045433.85 | J045729.38a | J054034.00 | J051525.45 | J060323.20 | |||||||
|
|
|||||||||||
| 4642.17 | ?[FeII](4F) | 4639.68 | |||||||||
| b | 4671.39 | ||||||||||
| 4732.49 | 4732.71 | [FeII](4F) | 4728.07 | ||||||||
| 4738.50 | |||||||||||
| 4779.41 | [FeII](20F) | 4774.74 | |||||||||
| 4783.40 | |||||||||||
| 4788.44 | |||||||||||
| 4819.17 | 4818.99 | [FeII](20F) | 4814.55 | ||||||||
| 4828.25 | |||||||||||
| A | 4860.45 | HI(1) | 4861.33 | ||||||||
| 4865.09 | 4866.64 | 4865.91 | P | 4868.02 | 4866.04 | HI(1) | 4861.33 | ||||
| 4894.34 | 4894.67 | [FeII](4F) | 4889.63 | ||||||||
| 4909.48 | 4906.77 | ||||||||||
| 4928.14 | 4928.70 | 4927.97 | 4928.55 | 4930.12 | FeII(42) | 4923.92 | |||||
| 5010.38 | |||||||||||
| 5022.49 | 5023.56 | 5023.31 | 5024.42 | 5023.46 | FeII(42) | 5018.43 | |||||
| c | 5163.27 | 5162.66 | [FeII](18F) | 5158.0 | |||||||
| c | 5172.84 | 5174.41 | 5173.25 | 5173.77 | c | 5176.33 | FeII(42) | 5169.0 | |||
| 5186.52 | |||||||||||
| 5201.52 | 5202.66 | 5202.01 | FeII(49) | 5197.6 | |||||||
| 5224.72 | 5224.72 | [FeII](19F) | 5220.1 | ||||||||
| 5239.35 | 5239.99 | 5238.33 | FeII(49) | 5234.6 | |||||||
| c | 5266.10 | 5266.09 | [FeII](19F) | 5261.6 | |||||||
| c | 5279.22 | 5280.36 | 5278.20 | c | 5282.23 | 5279.16 | [FeII](18F) | 5273.4 | |||
| c | 5288.78 | FeII(41) | 5284.1 | ||||||||
| 5321.09 | 5322.23 | 5321.58 | 5321.58 | 5321.05 | FeII(49) | 5316.6 | |||||
| 5337.74 | 5338.73 | [FeII](19F ) | 5333.6 | ||||||||
| 5367.00 | 5367.14 | b | 5366.99 | 5366.44 | ([FeII](17F) | 5362.1 | |||||
| FeII(48) | 5362.9 | ||||||||||
| 5380.63 | ? | 5379.61 | [FeII](19F) | 5376.5 | |||||||
| 5416.95 | [FeII](17F) | 5412.6 | |||||||||
| 5430.58 | 5432.73 | FeII(49) | 5425.3 | ||||||||
| 5436.62 | [FeII](18F) | 5433.1 | |||||||||
| w | 5479.64 | ?[FeII](34F) | 5477.2 | ||||||||
| 5531.48 | 5530.96 | [FeII](17F) | 5527.33 | ||||||||
| 5539.18 | FeII(55) | 5534.9 | |||||||||
| 5567.44 | |||||||||||
| 5576.33 | |||||||||||
| 5632.43 | |||||||||||
| 5641.51 | |||||||||||
| w | 5658.76 | ||||||||||
| 5749.97 | |||||||||||
| 5938.27 | |||||||||||
| 5884.19 | |||||||||||
| b | 5897.60 | NaI(1) | 5889.95 | ||||||||
| 5895.92 | |||||||||||
| w | 5903.46 | ||||||||||
| 5996.69 | FeII(46) | 5991.4 | |||||||||
| 6082.19 | |||||||||||
| 6304.97 | 6307.49 | c | 6305.69 | 6306.71 | [OI](1F) | 6300.23 | |||||
| 6325.15 | b | 6323.85 | 6326.38 | ||||||||
| 6369.64 | c | 6368.25 | [OI](1F) | 6363.88 | |||||||
| 6390.32 | b | 6388.93 | FeII | 6383.7 | |||||||
| 6438.25 | |||||||||||
| 6463.97 | c | 6462.97 | c | 6465.12 | 6462.23 | FeII(74) | 6456.4 | ||||
| c | 6468.53 | ||||||||||
| 6498.78 | b | 6496.39 | FeII | 6491.3, | |||||||
| 6493.0 | |||||||||||
| 6522.00 | 6523.51 | c | 6522.13 | FeII(40) | 6516.0 | ||||||
| c | 6547.22 | ||||||||||
| 6555.07 | [NII](1F) | 6548.1 | |||||||||
| A | 6561.62 | HI(1) | 6562.82 | ||||||||
| 6568.42 | 6570.44 | c | 6568.68 | P | 6571.72 | 6569.48 | HI(1) | 6562.82 | |||
| c | 6588.10 | c | 6589.23 | [NII](1F) | 6583.6 | ||||||
| 6672.85 | c | 6672.48 | [NiII](2F) | 6666.78 | |||||||
| 6683.25 | HeI(46) | 6678.15 | |||||||||
| 6706.46 | |||||||||||
| ? | 6721.39 | 6722.65 | w | 6726.44 | [SII](2F) | 6717.0 | |||||
| 6736.78 | w | 6736.24 | [FeII](31F) | 6729.85 | |||||||
| [SII](2F) | 6730.8 | ||||||||||
| w | 6754.90 | ||||||||||
| 6877.93 | |||||||||||
| 6948.05 | 6947.89 | ||||||||||
| c | 7006.87 | ||||||||||
| c | 7016.46 | ||||||||||
| b | 7063.69 | ||||||||||
| 7090.62 | |||||||||||
| b | 7106.77 | ||||||||||
| 7161.56 | 7160.70 | [FeII](14F) | 7155.14 | ||||||||
| 7178.21 | d | 7177.11 | [FeII](14F) | 7171.98 | |||||||
| 7277.55 | |||||||||||
| 7297.78 | 7298.50 | ?[CaII](1F) | 7291.46 | ||||||||
| 7315.43 | 7313.63 | FeII(73) | 7307.97 | ||||||||
| 7330.07 | c | 7328.77 | ?[CaII](1F) | 7323.88 | |||||||
| c | 7384.06 | c | 7383.77 | [NiII](2F) | 7377.88 | ||||||
| 7394.65 | [FeII](14F) | 7388.16 | |||||||||
| 7417.87 | 7417.07 | [NiII](2F) | 7411.57 | ||||||||
| 7458.22 | ? | 7458.93 | [FeII](14F) | 7452.50 | |||||||
| 7468.32 | FeII(73) | 7462.38 | |||||||||
| c | 7475.08 | NI(3) | 7468.29 | ||||||||
| c | 7503.63 | ||||||||||
| 7519.78 | c | 7522.30 | 7518.98 | FeII(73) | 7515.88 | ||||||
| c | 7667.01 | c | 7665.78 | ||||||||
| 7718.05 | 7719.48 | 7717.26 | FeII(73) | 7711.71 | |||||||
| A | 7780.00 | 7782.54 | ? | 7784.95 | 7784.80 | 7787.71 | OI(1)b | 7773.18 | |||
| 7869.71 | |||||||||||
| 7874.37 | ? | 7866.49 | |||||||||
| 7904.64 | |||||||||||
| 8007.65 | 8005.93 | [CrII](1F) | 8000.12 | ||||||||
| 8131.27 | [CrII](1F) | 8125.50 | |||||||||
| c | 8228.53 | ||||||||||
| b | 8238.22 | c | 8236.09 | [CrII](1F) | 8229.81 | ||||||
| 8295.15 | 8294.11 | 8292.24 | 8296.26 | ? | 8287.31 | ||||||
| 8314.41 | [CrII](1F) | 8308.68 | |||||||||
| 8341.56 | HI(11) | 8333.78 | |||||||||
| 8355.18 | HI(11) | 8345.55 | |||||||||
| 8367.30 | HI(11) | 8359.01 | |||||||||
| 8382.43 | 8382.01 | HI(11) | 8374.48 | ||||||||
| 8400.09 | 8394.88 | 8399.69 | HI(11) | 8392.40 | |||||||
| 8421.28 | 8421.12 | 8420.36 | HI(10) | 8413.32 | |||||||
| 8453.14 | c | 8455.08 | 8453.03 | 8453.19 | 8454.19 | OI(4)b | 8446.48 | ||||
| ? | 8450.88 | ||||||||||
| 8476.26 | 8475.61 | 8477.41 | 8474.37 | HI(10) | 8467.26 | ||||||
| c | 8497.46 | ? | 8489.93 | ||||||||
| 8505.63 | c | 8511.07 | c | 8505.18 | 8507.17 | 8507.66 | HI(10) | 8502.49 | |||
| CaII(2) | 8998.02 | ||||||||||
| 8549.51 | 8552.96 | 8549.86 | 8550.56 | 8552.24 | HI(10) | 8545.38 | |||||
| CaII(2) | 8542.09 | ||||||||||
| 8605.42 | 8606.94 | 8605.08 | 8605.55 | c | 8606.24 | HI(9) | 8598.39 | ||||
| 8623.69 | [FeII](13F) | 8616.96 | |||||||||
| 8639.23 | NI(8) | 8629.24 | |||||||||
| 8669.58 | 8673.03 | 8670.44 | 8671.73 | 8670.82 | HI(9) | 8665.02 | |||||
| CaII(2) | 8662.14 | ||||||||||
| 8690.69 | |||||||||||
| 8757.88 | 8759.39 | c | 8755.93 | c | 8758.02 | HI(9) | 8750.48 | ||||
| c | 8764.57 | 8761.62 | |||||||||
| 8790.49 | b | 8791.75 | |||||||||
| 8801.34 | c | 8797.24 | |||||||||
| 8825.56 | c | 8822.97 | |||||||||
| 8836.32 | |||||||||||
| 8869.50 | 8872.41 | 8870.96 | 8868.50 | 8871.11 | HI(9) | 8862.79 | |||||
| 8922.36 | |||||||||||
| 8935.48 | c | 8933.77 | ? | 8926.52 | |||||||
| 8989.76 | |||||||||||
| c | 9022.25 | 9023.26 | 9023.51 | ? | 9022.88 | c | 9025.08 | HI(9) | 9014.91 | ||
| b | 9103.28 | ||||||||||
| b | 9186.24 | ||||||||||
| 9213.97 | c | 9213.21 | |||||||||
| c | 9226.09 | ||||||||||
| 9237.19 | c | 9237.19 | 9236.93 | 9238.50 | HI(8) | 9229.02 | |||||
| b | 9280.07 | ||||||||||
| b | 9400.16 | ||||||||||
Notes. Some extra information on certain features is given with a preceeding letter. Here, “A” stands for an absorption feature, in some cases associated with P Cygni emission, “P” for P Cygni emission, “b” for broad line, “c” for crowded line or composite feature, “d” for a line that appears to be an unresolved double feature, “w” for a weak feature and “?” notes a doubtful feature.
It seems anomalous that an apparent P Cygni structure is seen at Hγ and Hδ, whereas the emission appears symmetrical with no sign of absorption at Hα and Hβ. The alternative, that the emission and absorption appear in different objects, is unattractive unless we see a binary with a high velocity amplitude as the absorption components are blueshifted. Higher resolution spectra would be useful.
The triplet at 7774 Å is normally seen in absorption and is a useful luminosity criterion from late B to early G type stars, becoming very strong in the most luminous supergiants. It may appear in emission when the line at 8446 Å is strongly in emission. A caveat is that, given our lower resolution, the emission line near 8446 Å must be a blend of the OI triplet with the stronger unidentified line found by Thackeray (1962).
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