1994A&AS..103..301H

Query : 1994A&AS..103..301H

1994A&AS..103..301H - Astron. Astrophys., Suppl. Ser., 103, 301-313 (1994/February-0)

A systematic study of IRAS selected proto-planetary nebula candidates. II. OH and CO observations.

HU J.Y., TE LINTEL HEKKERT P., SLIJKHUIS S., BAAS F., SAHAI R. and WOOD P.R.

Abstract (from CDS):

We present OH maser observations of a sample of 62 IRAS-selected proto-planetary nebula (PPN) candidates, and CO observations of the 29 sources in this sample which are brighter than 25 Jy in the IRAS 25 µm band. Sixteen sources have been detected in (J=1-0) or (J=2-1). We observed and detected two sources in (J=3-2). We have detected sixteen sources (four of which are CO sources) in the 1612 MHz transition of OH. Half of these are also detected at 1667 and/or 1665 MHz. The CO and OH spectra are characteristic of emission from an expanding circumstellar shell, with an average expansion velocity of ∼15 kms. The OH maser sources are not variable over a period of one to five years, with only a few exceptions. Several OH sources show multiple components in their spectra, sometimes strongly circularly polarized. One double-peak OH maser source, IRAS 20406+2953, shows an enigmatic variability in circular polarization.

Abstract Copyright: ∼

Journal keyword(s): circumstellar matter - stars - asymptotic, post-asymptotic giant branch (AGB, post-AGB) - radio lines: molecular: circumstellar

Simbad objects: 66

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Number of rows : 66
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 01005+7910 pA* 01 04 45.5109702912 +79 26 46.357116648   11.04 10.87 10.85   B1.7Ibeq 75 0
2 IRAS 05089+0459 s*r 05 11 36.1536560160 +05 03 26.241197256   16.08 14.33 14.03   M3I 33 1
3 IRAS 06530-0213 pA* 06 55 31.8205478808 -02 17 28.243142520   16.38 13.99 13.26   F5Ia 87 0
4 IRAS 07582-4059 pA? 07 59 55.75152 -41 07 22.2672           ~ 13 1
5 IRAS 08005-2356 AB* 08 02 40.7049577608 -24 04 42.588796404   12.454 11.139 10.930   F5Iae 99 0
6 IRAS 09032-3953 pA? 09 05 07.6311045101 -40 05 13.192739540           ~ 20 0
7 IRAS 09370-4826 pA? 09 38 54.19584 -48 40 16.7016           ~ 21 0
8 IRAS 10029-5553 PN 10 04 40.0555248600 -56 08 37.161872844           ~ 16 0
9 IRAS 10194-5625 pA* 10 21 15.18576 -56 40 33.7080           ~ 19 0
10 IRAS 11339-6004 pA? 11 36 20.6998976462 -60 20 53.509602245         17.83 ~ 18 0
11 IRAS 11381-6401 pA? 11 40 31.7920005053 -64 18 28.019989656           ~ 13 0
12 IRAS 11387-6113 pA* 11 41 08.7104227704 -61 30 17.334303228           A3Ie 16 0
13 IRAS 11544-6408 pA* 11 56 57.09360 -64 25 12.0288           ~ 18 0
14 IRAS 12262-6417 pA* 12 29 04.4928576815 -64 33 37.956226864         15.02 ~ 15 0
15 IRAS 12309-5928 pA? 12 33 44.6036253277 -59 45 18.519382915           ~ 12 0
16 IRAS 12358-6323 OH* 12 38 48.35136 -63 39 39.3768           O-rich 12 0
17 IRAS 13404-6059 pA? 13 43 50.37240 -61 14 31.0740           ~ 10 0
18 IRAS 13416-6243 pA* 13 45 07.2573421656 -62 58 16.835990124           G1I 50 0
19 V* V894 Cen Mi* 14 15 50.9590640832 -60 01 15.071753388         14.860 M 10 1
20 IRAS 14122-5947 mul 14 15 52.1 -60 01 27           ~ 18 1
21 WRAY 17-66 PN 14 15 53.27 -60 01 37.9           ~ 19 1
22 IRAS 14341-6211 pA* 14 38 04.9917881305 -62 24 47.584802977           O-rich 22 0
23 IRAS 14429-4539 pA* 14 46 13.7806495872 -45 52 05.292328188           G0Ie 33 0
24 IRAS 14527-6204 mul 14 56 44.2 -62 17 04           ~ 9 0
25 UCAC2 4394234 s*r 14 56 44.5874322768 -62 16 53.435811432   14.57 13.77 14.60   M7I 8 0
26 UCAC2 4394248 pA? 14 56 46.7027513592 -62 17 30.544694700   15.57 13.85 13.37   ~ 8 0
27 IRAS 16029-4101 pA? 16 06 24.2440957344 -41 09 57.348349812           ~ 9 0
28 IRAS 16086-5255 pA* 16 12 30.4680470520 -53 03 09.962106480           ~ 15 1
29 IRAS 16130-4620 s*r 16 16 42.8262165771 -46 27 55.477624557           M5Ib 14 0
30 IRAS 16279-4757 pA* 16 31 38.7381067320 -48 04 05.637444456           M3II 43 0
31 IRAS 16552-3050 pA? 16 58 27.31 -30 55 07.9           ~ 35 1
32 IRAS 16559-2957 pA* 16 59 08.2318866480 -30 01 40.247567184   13.578 13.016 13.059   F5I(e) 33 0
33 IRAS 17149-3053 pA* 17 18 10.93680 -30 56 39.9192           O-rich 17 0
34 RAFGL 6815S pA* 17 18 19.8040606320 -32 27 21.547417932           G2I 153 0
35 IRAS 17195-2710 pA* 17 22 43.6463764992 -27 13 36.953157360           O-rich 25 0
36 OH 000.1+05.1 OH* 17 26 28.9950203507 -26 04 56.858547170           O-rich 29 0
37 IRAS 17385-3332 pA* 17 41 52.2837531864 -33 33 40.593695040           G2 33 0
38 OH 001.21+01.26 OH* 17 43 38.0379667632 -27 14 44.110119120           O-rich 33 0
39 IRAS 17433-1750 s*r 17 46 15.61848 -17 51 47.9340           M2I 24 1
40 RAFGL 5385 pA* 17 47 13.48944 -24 12 51.4404           F4I 79 0
41 IRAS 17456-2037 pA* 17 48 40.6299893085 -20 38 08.837990271           ~ 11 0
42 IRAS 17514-1555 PN 17 54 21.13104 -15 55 52.0032           [WC11] 110 0
43 IRAS 17580-3111 pA* 18 01 20.4011430491 -31 11 20.375380122     21.456   16.055 O-rich 27 0
44 IRAS 18016-2743 OH* 18 04 45.67128 -27 43 13.7640           O-rich 14 1
45 IRAS 18025-3906 pA* 18 06 03.2989104264 -39 05 56.716718208       11.24 9.91 G2I 25 0
46 IRAS 18105-1935 OH* 18 13 29.9171384794 -19 35 03.005668943           O-rich 17 0
47 IRAS 18113-2503 pA? 18 14 26.70240 -25 02 55.5792           ~ 34 0
48 OH 017.7-02.0 pA* 18 30 30.703 -14 28 57.04           O-rich 145 1
49 IRAS 18514+0019 pA? 18 53 57.93264 +00 23 28.2156           ~ 14 0
50 IRAS 19013+0629 pA? 19 03 37.63416 +06 34 09.1380           ~ 10 0
51 IRAS 19083+0119 pA? 19 10 54.53280 +01 24 45.0468           ~ 12 0
52 IRAS 19134+2131 pA* 19 15 35.2042352712 +21 36 33.834328956           ~ 68 0
53 IRAS 19367+2458 PN 19 38 52.1062311529 +25 05 32.465143958           [WC10] 35 0
54 IRAS 19374+2359 PN 19 39 35.5440976632 +24 06 27.057100428           B3-6I 44 0
55 IRAS 19454+2920 C* 19 47 24.8045352600 +29 28 10.765023096           C-rich 51 0
56 IRAS 19477+2401 pA* 19 49 54.9088013304 +24 08 53.507444604       20.0   F4/7I 48 0
57 IRAS 19480+2504 C* 19 50 08.2687941144 +25 12 00.936994068           C-rich 30 0
58 IRAS 20000+3239 LP* 20 01 59.5133268456 +32 47 32.799122916   16.13 13.39 11.80 10.32 ~ 84 0
59 IRAS 20028+3910 pA* 20 04 35.9834860344 +39 18 44.208893700           F3-7I 65 0
60 IRAS 20035+3242 pA? 20 05 30.0336616008 +32 51 38.268555984           ~ 13 0
61 IRAS 20406+2953 OH* 20 42 45.9542443488 +30 04 06.480845940           O-rich 33 1
62 IRAS 20461+3853 LP* 20 48 04.4361385440 +39 04 59.550048768           ~ 17 0
63 IRAS 21537+6435 pA? 21 55 04.41168 +64 49 54.1128           ~ 22 0
64 IRAS 22574+6609 pA* 22 59 18.3496246536 +66 25 47.940897972       19.2   A1-6I 56 0
65 IRAS 23304+6147 pA* 23 32 44.7858431592 +62 03 49.090372272   15.36 12.99 12.23 10.50 G2Ia 121 0
66 IRAS 23321+6545 pA* 23 34 22.48104 +66 01 51.6756           C-rich 46 0

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