21028+3534 BTG 6 BD
21h 02m 45.85s +35° 33' 36.0" P.A. 274.00 sep 15.9 mag 11.50,14.20
Coord 2000 |
21028+3534 |
|
Discov num |
BTG 6 |
|
Comp |
BD |
|
Coord arcsec 2000 |
21 02 45.85 +35 33 36.0 |
|
Date first |
1998 |
|
Date last |
2020 |
|
Obs |
8 |
|
Pa first |
274 |
|
Pa last |
273.6 |
|
P.A. Now (θ) |
273.6° |
|
Sep first |
15.8 |
|
Sep last |
15.921 |
|
Sep. Now (ρ) |
15.921" |
|
Mag pri |
11.50 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
|
|
Pri motion ra |
-005 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
+007 |
|
Sec motion dec |
+011 |
|
Notes |
N
R
(See Notes, Red magnitudes) |
|
rPM=0.553
Nature of this double is uncertain.
21028+3534 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 02 46 +35 33 30 |
SEI 1375 AB |
2020 |
14 |
339 |
6.5 |
12.30 |
11.50 |
0.80 |
|
|
Show |
|
|
21 02 46 +35 33 30 |
SEI 1376 AC |
2020 |
11 |
270 |
11.1 |
12.30 |
12.70 |
0.40 |
|
|
Show |
|
|
21 02 46 +35 33 36 |
BTG 6 BC |
2020 |
11 |
235 |
10.6 |
11.50 |
12.70 |
1.20 |
|
|
Show |
|
|
21 02 46 +35 33 36 |
BTG 6 BD |
2020 |
8 |
274 |
15.9 |
11.50 |
14.20 |
2.70 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1868182788042313856 |
|