21308+4013 MLB 896 AB
21h 30m 46.65s +40° 13' 26.9" P.A. 340.00 sep 3.1 mag 13.60,14.30
| Coord 2000 |
21308+4013 |
|
Discov num |
MLB 896 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 30 46.65 +40 13 26.9 |
|
| Date first |
1933 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
348 |
|
Pa last |
340.1 |
|
P.A. Now (θ) |
340.1° |
|
| Sep first |
3.3 |
|
Sep last |
3.127 |
|
Sep. Now (ρ) |
3.127" |
|
| Mag pri |
13.60 |
|
Mag sec |
14.30 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
| Pri motion ra |
-014 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-034 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=0.654
Nature of this double is uncertain.
21308+4013 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 30 47 +40 13 27 |
MLB 896 AB |
2015 |
4 |
340 |
3.1 |
13.60 |
14.30 |
0.70 |
|
<=== |
| Show |
|
|
21 30 47 +40 13 27 |
MLB 896 AC |
2017 |
4 |
69 |
29.0 |
13.60 |
13.50 |
0.10 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1966184836401783296 |
|
