21218+0202 STF 2787 AC
21h 21m 47.59s +02° 01' 38.5" P.A. 94.00 sep 70.4 mag 7.49,11.41 Sp A2 dist. 2564.1 pc (8364.09 l.y.)
| Coord 2000 |
21218+0202 |
|
Discov num |
STF2787 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 21 47.59 +02 01 38.5 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
94 |
|
Pa last |
93.9 |
|
P.A. Now (θ) |
93.9° |
|
| Sep first |
70.9 |
|
Sep last |
70.431 |
|
Sep. Now (ρ) |
70.431" |
|
| Mag pri |
7.49 |
|
Mag sec |
11.41 |
|
delta mag (ΔM) |
3.92 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-002 |
|
| Notes |
N
(See Notes) |
|
rPM=0.791
Nature of this double is uncertain.
21218+0202 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 203383 |
126730 |
21 21 48 +02 01 38 |
STF 2787 AB |
2014 |
37 |
20 |
22.6 |
7.49 |
8.64 |
1.15 |
|
|
| Show |
|
126730 |
21 21 48 +02 01 38 |
STF 2787 AC |
2015 |
12 |
94 |
70.4 |
7.49 |
11.41 |
3.92 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
SAO |
126730 |
|
HIP |
105472 |
|
Tycho2 |
0532-02289-1 |
|
| Gaia DR2 |
2691447788684629376 |
|
HD |
203383 |
|
BD |
BD+01 4465 |
|
Distance |
2564.1 |
|
| Distance ly |
8364.09 |
|
