2024RNAAS...8..324P

Query : 2024RNAAS...8..324P

2024RNAAS...8..324P - Research Notes of the AAS, 8, 324 (2024/December-0)

Analysis of Gaia DR3 Data of Selected R Stars (Warm Carbon Stars).

PARTHASARATHY M.

Abstract (from CDS):

An analysis of Gaia DR3 data of 67 R stars is presented and 57 of them are at high galactic latitudes. Three new variable stars are found. The long period luminous variable R stars and R8 stars may be variable carbon stars on the Asymptotic Giant Branch. The R stars seem to have luminosities throughout the Red Giant Branch range. Several R stars are found to be high velocity stars. The determination of s-process elements abundances and C12/C13 ratio of the stars listed in Table 1 will enable us to further understand the R stars phenomenon. The process by which the atmospheres of these stars are enriched with carbon is still a puzzle.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): R stars

Simbad objects: 68

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Number of rows : 68
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* NQ Cas C* 00 24 34.8665611152 +54 17 38.287656600   11.10 9.29     C-J4.5 55 0
2 BD+21 64 C* 00 34 16.2267216984 +22 24 48.373123428   10.97 9.65     C3,3 34 0
3 HD 7526 C* 01 14 32.4128751576 -48 15 07.417288512   11.28 10.00     C 27 0
4 BD-19 290 C* 01 40 34.1074042896 -18 56 51.519077952   12.41 11.07 10.361 9.783 C1,3 31 0
5 BD-08 456 AB? 02 28 23.1523308960 -07 21 53.936618544   11.3 9.55     C4:,0+_CH3 26 0
6 HD 16115 Pe* 02 35 06.4987385928 -09 26 34.126056708   9.36 8.15     C-H3II: 77 0
7 HD 19557 C* 03 11 25.3268651352 +57 54 11.223823500   10.04 8.59 7.86   C-J4 101 0
8 HD 24281 C* 03 50 05.8557463368 -43 32 03.533177580   10.09 8.29     C-H4:IIIa: 31 0
9 HD 286436 C* 03 58 27.2109145896 +11 54 20.828456208   11.8 10.2     C4,3 28 0
10 BD+23 601 C* 04 00 19.2620675352 +23 32 03.425321760   11.8 10.5     C3,3J 27 0
11 C* 179 Pe* 04 04 53.3586169104 +23 14 10.696080912   11.99 10.71     C3,0_CH3 21 0
12 HD 26667 C* 04 07 47.4481145088 -69 47 15.698520456   11.82 10.65     C 29 0
13 BD+33 1194 C* 05 57 08.6478504072 +33 51 36.317763468   11.9 10.4     C2,3 26 0
14 HD 48733 C* 06 38 12.9128791920 -70 05 39.563004984   10.75 9.36     C 23 0
15 V* KY CMa C* 06 53 01.9648896792 -31 46 50.705883804   12.74 10.62     C 24 0
16 HD 52432 C* 07 01 01.9535075376 -03 15 09.134562744   9.98 8.76 7.65   C-J3.5 113 0
17 HD 57884 C* 07 23 06.9952668648 -04 12 48.791336184   11.7 9.0     C4+,3 53 0
18 HD 58337 C* 07 26 01.9606146576 +21 54 46.013153724   11.0 9.57     C3,3J 32 0
19 HD 58364 C* 07 26 06.5091711864 +21 53 28.207970556   10.67 9.23     C4,3p 38 0
20 V* W CMi C* 07 48 45.5269558104 +05 23 35.392186536 14.32 11.23 8.72     C7,2 49 1
21 C* 978 C* 08 00 12.2182265376 -04 45 28.454841000   13.16 11.21     C2:,2: 18 0
22 CD-34 4517 C* 08 14 35.4150976176 -34 39 56.960290368   13.16 11.37     R 14 0
23 HD 76846 C* 08 59 48.9396931920 +33 46 26.478155532   10.71 9.42     C-R2+IIIa: 56 0
24 V* DH UMa C* 09 03 15.2533415856 +50 05 39.372128772   10.99 9.43     C3.5,5J 48 0
25 V* GM Cnc C* 09 13 50.0827820424 +14 12 39.190270356   10.24 8.57     C4,4J 58 0
26 HD 88627 Pe* 10 17 36.6529537968 +77 06 43.614137016   12.35 10.83     C3,5_CH5 25 0
27 HD 90395 C* 10 24 59.6551982088 -50 24 27.661393620   10.76 9.49     C 32 0
28 V* TZ Car C* 10 46 03.0086009784 -65 36 52.711067700   11.1 10.20     C-R4III: 45 0
29 BD-18 3055 C* 10 54 41.8899479928 -19 23 21.693832872   11.7 10.6     C2,1 26 0
30 BD+16 2188 RG* 10 56 57.8565481248 +15 16 46.342917192   11.4 10.11     C3,1_CH4 47 0
31 HD 95405 Pe* 11 00 34.3228350360 -25 51 22.951349820   9.51 8.33     C2,0_CH4 43 0
32 BD+02 2446 Pe* 11 33 49.0532018448 +01 45 08.056158336   11.46 10.17 10.04   C3,3_CH4 35 0
33 HD 100764 Pe* 11 35 42.7476078432 -14 35 36.666013272   9.83 8.70 8.08 7.65 C-H2.5 113 0
34 BD+71 600 Pe* 12 03 24.9809965608 +70 25 55.694279388   11.4 10.15     C2,3_CH4 33 0
35 V* S Cen C* 12 24 33.9185490504 -49 26 24.728127180 11.92 9.45 7.60     C-R4 53 0
36 HD 112127 C* 12 53 55.7452187592 +26 46 47.982961020 9.56 8.14 6.88 5.97 5.39 C-R4IIIb 169 0
37 HD 113801 C* 13 06 24.8037587304 -20 03 31.476013128 10.72 9.67 8.50 7.76 7.24 C-R3III 57 0
38 BD+04 2735 C* 13 23 15.7166086296 +03 43 47.411285232   11.10 9.64     C1,1 28 0
39 V* V971 Cen C* 13 32 41.6659330080 -53 49 51.495962052   10.61 8.51     C-R2+III 27 0
40 HD 117819 * 13 33 11.3841726456 -19 59 24.791804592   8.14 7.12     G8III/IV 14 0
41 HD 122547 Pe* 14 01 55.4735542368 +32 49 33.301523604 11.72 10.77 9.54 8.70 8.07 C3,3_CH4 53 0
42 HD 123821 C* 14 08 27.4528728240 +51 35 32.527855752   9.68 8.63     C-R2IIIa 44 0
43 SOPS IV e-25 C* 14 36 54.7923253176 -30 13 04.201730544           R 11 1
44 BD+83 442 Pe* 15 06 50.0120588760 +82 45 23.063333724   11.02 9.97     C2,0+_CH3 24 0
45 BD+30 2637 Pe* 15 17 32.1333854112 +29 36 10.231028748   10.78 9.74     C3,0+_CH4 30 0
46 SOPS IV e-82 C* 15 28 27.9350876016 -43 59 41.460299340   12.96 11.70     R 14 0
47 BD+19 3109 Pe* 16 29 26.9949259104 +19 30 34.467606684 13.16 11.88 10.29 9.875 8.78 C1,1_CH4 41 0
48 BD+23 2998 C* 16 47 24.6712810440 +23 12 57.474248868 12.13 11.00 9.80 9.00 8.43 C-R3IIIa: 44 0
49 HD 156074 C* 17 13 31.2405544440 +42 06 22.768253820 9.67 8.75 7.61 6.89 6.42 C-R2III 134 0
50 HD 319738 C* 17 23 44.3373230160 -36 29 11.173846236   11.16 9.54     R3 23 0
51 BD+17 3325 Pe* 17 45 42.7801177728 +17 12 51.677074188 11.04 9.91 8.73 7.92 7.33 C2,0+_CH4: 38 0
52 HD 163838 C* 17 53 42.4853133816 +64 06 56.614638348   11.84 10.72     C2,2 31 0
53 V* W CrA C* 18 05 12.2405271024 -39 20 32.521785684   11.63 9.91     R3 37 0
54 C* 2551 C* 18 12 38.8534084848 +14 55 35.518664244   12.01 10.71     R5 26 0
55 V* FO Ser C* 18 19 21.8140286424 -15 36 46.063194012 12.55 10.55 8.66 6.96 5.53 C-J4+ 66 0
56 LEE 117 C* 18 24 18.1323510960 +06 02 45.165190884   12.93 11.74     R0 22 0
57 HD 170282 C* 18 30 15.1814433048 -38 25 01.089739236   11.34 9.88     C4,4 23 0
58 HD 178316 C* 19 08 49.9622007672 -17 15 55.496219004   11.72 10.32     R2 25 0
59 HD 187216 Pe* 19 24 18.3437183760 +85 21 57.189325176   11.2 9.56     C3,3_CH5: 78 2
60 HD 188934 C* 19 57 37.6203539016 +00 14 30.207631344 13.48 11.38 9.37 7.97 7.00 C3,1 38 0
61 HD 198140 C* 20 48 56.8366627200 -19 01 09.057985860   11.46 10.14     R1 32 0
62 HD 201266 C* 21 10 20.5754825016 -53 42 14.304226896   11.29 9.79     C 22 0
63 BD+02 4338 C* 21 19 02.5555583208 +03 14 31.039471392   11.1 9.78     C3,2 35 0
64 V* BU Ind C* 21 44 31.1925898824 -65 03 33.869865384   11.46 10.07     C 24 0
65 HD 216649 C* 22 54 46.4911611576 -06 57 50.622580692   11.96 10.75     R3 24 0
66 HD 218851 C* 23 10 46.1769962976 +46 18 10.666779912   11.23 9.93     C2,2 30 0
67 HD 218875 C* 23 11 36.1372551120 -21 00 10.959109848   10.56 9.32     C3:,3 31 0
68 HD 223392 C* 23 49 05.4856631856 +06 22 56.648814060   9.87 8.50     C-R3III: 50 0

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