1994A&A...289..131C

Query : 1994A&A...289..131C

1994A&A...289..131C - Astronomy and Astrophysics, volume 289131-136 (1994/9-1)

Near-infrared observations of new young stellar objects from the IRAS Point Source Catalog.

CARBALLO R. and SAHU M.

Abstract (from CDS):

We present near infrared (JHK) photometry of 10 IRAS sources from the Point Source Catalog with spectral energy distributions consistent with pre-main sequence (PMS) stellar objects and located towards the Lynds (1962) dark clouds L162, L330, L1646, L1647, L1652, L1657 and L1664. Six of the sources are unassociated with previously known members of this evolutionary stage. The presence of near infrared excess, photometric variability and/or association with optical nebulosity supports the interpretation that the ten sources are PMS stars. The bolometric luminosities of the sources are in the range 1.2-83L☉, corresponding to low to intermediate mass stars (0.5M☉<M<3M☉). Our results suggest for the first time that star formation takes place in the dark clouds L330 and L1664.

Abstract Copyright: ∼

Journal keyword(s): stars: formation - 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 IRAS 05399-1001 Y*O 05 42 19.08432 -10 00 07.9740           ~ 18 0
2 LDN 1647 DNe 05 42.4 -09 58           ~ 46 0
3 2MASS J05423489-1001464 Y*O 05 42 34.8877442328 -10 01 46.477309368     14.9     ~ 17 0
4 2MASS J06065848-0555066 TT* 06 06 58.4991960744 -05 55 06.700428156   12.97 12.44     A0 24 0
5 IRAS 06046-0603 IR 06 07 08.4 -06 03 47           ~ 16 0
6 LDN 1646 DNe 06 07.4 -06 00           ~ 16 0
7 IRAS 06150+2320 IR 06 18 04.206 +23 19 14.45           ~ 2 0
8 LDN 1652 DNe 06 26.4 -10 02           ~ 17 0
9 SS 43 Ae* 06 26 53.9081968992 -10 15 34.979855724 15.21 14.91 13.5     B0e 24 0
10 LDN 1657 DNe 07 04.1 -10 27           ~ 16 0
11 IRAS 07021-1009 IR 07 04 29.0 -10 13 36           ~ 2 0
12 HRW 26 * 07 04 53.9526731568 -10 38 49.418670804   13.04 12.39 12.29   A1IV 6 0
13 LDN 1664 DNe 07 24 14.9 -24 37 45           ~ 9 0
14 IRAS 16455-1405 mul 16 48 21.8 -14 10 45           ~ 12 0
15 PDS 91 Y*O 16 48 21.887088 -14 10 42.60432   17.027 15.049 12.9   ~ 14 0
16 LDN 162 DNe 16 49 03 -14 10.7           ~ 21 0
17 LDN 330 DNe 17 50.4 -14 17           ~ 9 0
18 IRAS 17481-1415 Or* 17 50 58.0979075688 -14 16 11.857653336   13.33 12.77     A0 17 0

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