2013MNRAS.434..407E

Query : 2013MNRAS.434..407E

2013MNRAS.434..407E - Mon. Not. R. Astron. Soc., 434, 407-414 (2013/September-1)

Time-monitoring observations of the ro-vibrational overtone CO bands in young stars.

EISNER J.A., RIEKE G.H., RIEKE M.J., FLAHERTY K.M., ARNOLD T.J., STONE J.M., CORTES S.R., COX E., HAWKINS C., COLE A., ZAJAC S. and RUDOLPH A.L.

Abstract (from CDS):

We present near-infrared spectra of a sample of T Tauri, Herbig Ae/Be and FU Ori objects. Using the FSPEC instrument on the Bok 90-inch telescope, we obtained K-band spectra with a resolution of ~3500. Here, we present spectra of the Δv = 2-0 and Δv = 3-1 bandheads of ro-vibrational transitions of carbon monoxide. We observed these spectra over multiple epochs spaced by a few days and approximately one month. Several of our targets show CO emission or absorption features. However, we see little evidence of variability in these features across multiple epochs. We compare our results with previous observations and discuss the physical implications of non-variable CO emission across the sampled time-scales.

Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): techniques: spectroscopic - circumstellar matter - stars: pre-main-sequence - infrared: stars

Simbad objects: 18

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Number of rows : 18
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* DG Tau TT* 04 27 04.6921275888 +26 06 16.060169268 13.57 13.97 10.50 12.28   K6Ve 1092 1
2 HD 145127 * 16 10 09.8786833224 -24 34 56.713510524   6.66 6.64     A0V 48 0
3 HD 145188 ** 16 10 19.8879653712 -22 09 25.215199560   7.20 7.06     B9.5Vb 33 0
4 V* V866 Sco TT* 16 11 31.345632 -18 38 25.96200   13.98 12.63 12.81   K0e+K5e 303 0
5 BD-18 4244 Or* 16 12 40.5144406080 -18 59 28.267620432   12.15 10.829   9.235 K0IV(e) 97 0
6 HD 150193 Ae* 16 40 17.9243127240 -23 53 45.193372692 9.69 9.32 8.79 8.41   A3Va(e) 336 0
7 Hen 3-1258 Or* 16 48 45.6326070624 -14 16 35.849828856   14.94 13.34 12.84   K6 144 0
8 EM* AS 209 TT* 16 49 15.3034917000 -14 22 08.643317664   12.62 11.28     K4Ve 494 0
9 * c Oph Be* 17 31 24.9538710166 -23 57 45.514802684 4.75 4.81 4.81 4.74 4.72 A0V 284 0
10 HD 163296 Ae* 17 56 21.2881851168 -21 57 21.871819008 7.00 6.93 6.85 6.86 6.67 A3VaekA1mA1 1301 0
11 HD 192538 * 20 14 04.8813535248 +36 36 17.578013580   6.448 6.464     A0V 76 0
12 * 36 Cyg * 20 18 28.6552175232 +36 59 59.295169896 5.64 5.64 5.58   5.51 A2V 79 0
13 BD+40 4124 Ae* 20 20 28.2413946720 +41 21 51.529070088 11.11 11.36 10.62 10.510   B2Ve 303 0
14 V* V1515 Cyg Or* 20 23 48.0158573016 +42 12 25.781279076   15.26 13.39 12.03   G0/G2Ib 260 0
15 EM* AS 442 Ae* 20 47 37.4657848584 +43 47 24.975739896 11.90 11.56 10.90 10.18 9.95 B8Ve 99 0
16 HD 199312 ** 20 54 45.29826 +45 08 10.5966 7.07         B9 28 0
17 EM* LkHA 190 Or* 20 58 53.7335347296 +44 15 28.388727720   14.26 12.33 12.13   F7/G3I/IIe 530 0
18 EM* LkHA 120 Or* 21 01 09.2070147480 +50 21 44.806779000 13.37 13.09 11.99 11.75   F0/F4-G5 203 1

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