21041-0549 MCA 66 Aa,Ab
21h 04m 04.71s -05° 49' 23.0" P.A. 54.00 sep 0.3 mag 5.90,8.30 Sp G4III dist. 153.85 pc (501.86 l.y.)
| Coord 2000 |
21041-0549 |
|
Discov num |
MCA 66 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
21 04 04.71 -05 49 23.0 |
|
| Date first |
1978 |
|
Date last |
2021 |
|
Obs |
15 |
|
| Pa first |
171 |
|
Pa last |
53.6 |
|
P.A. Now (θ) |
53.6° |
|
| Sep first |
0.1 |
|
Sep last |
0.315 |
|
Sep. Now (ρ) |
0.315" |
|
| Mag pri |
5.90 |
|
Mag sec |
8.30 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
G4III (yellow) |
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21041-0549 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
145064 |
21 04 05 -05 49 23 |
MCA 66 Aa,Ab |
2021 |
15 |
54 |
0.3 |
5.90 |
8.30 |
2.40 |
|
<=== |
| Show |
12 Aqr |
145064 |
21 04 05 -05 49 23 |
STF 2745 AB |
2021 |
126 |
198 |
2.4 |
5.80 |
7.50 |
1.70 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
SAO |
145064 |
|
HIP |
103981 |
|
Tycho2 |
5204-01584-1 |
|
| Gaia DR2 |
6910418142353215104 |
|
HD |
200497 |
|
HR |
8059 |
|
GC |
29417 |
|
| ADS |
14592 |
|
BD |
BD-06 5664 |
|
Flamsteed |
12 Aquarii |
|
Flamsteed name |
12 Aqr |
|
| Distance |
153.85 |
|
Distance ly |
501.86 |
|
WDS 21041-0549 MCA 66 Aa,Ab : NOTES
| discov_num |
notes |
refcode |
| MCA 66 |
Aa,Ab: 12 Aqr. |
|
|
A measure on 1980.7257 was incorrectly attributed to HR 8059 by |
|
|
McAlister et al. (1983); it actually belongs to ADS 13944. |
McA1983 |
REFERENCES
| refcode |
metd |
author |
reference |
| McA1983 |
Sc j |
McAlister, H.A., Hendry, E.M., Hartkopf, W.I., Campbell, B.G., & Fekel, F.C. |
1983ApJS...51..309M |
| McA1983 |
|
ApJS 51, 309, 1983 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
STF |
Struve, F.G.W. |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 21041-0549 |
MCA 66 |
Aa,Ab |
2007 |
7 |
245 |
0.2 |
5.53 |
|
G4III |
N |
210404.71-054923.0 |
| 21041-0549 |
MCA 66 |
Aa,Ab |
2008 |
10 |
64 |
0.3 |
5.53 |
|
G4III |
N |
210404.71-054923.0 |
| 21041-0549 |
MCA 66 |
Aa,Ab |
2009 |
11 |
62 |
0.3 |
5.53 |
|
G4III |
N D |
210404.71-054923.0 |
| 21041-0549 |
MCA 66 |
Aa,Ab |
2015 |
12 |
238 |
0.3 |
5.90 |
8.30 |
G4III |
N |
210404.71-054923.0 |
| 21041-0549 |
MCA 66 |
Aa,Ab |
2017 |
14 |
237 |
0.3 |
5.90 |
8.30 |
G4III |
N |
210404.71-054923.0 |
| 21041-0549 |
MCA 66 |
Aa,Ab |
2021 |
15 |
54 |
0.3 |
5.90 |
8.30 |
G4III |
N |
210404.71-054923.0 |
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WDS 21041-0549 MCA 66 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21041-0549 MCA 66 Aa,Ab : MEASURES
No records found.
WDS 21041-0549 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 21041-0549 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
