21423+4616 ES 1275 AB
21h 42m 16.59s +46° 16' 22.7" P.A. 1.00 sep 72.6 mag 8.62,12.90 Sp K0
Coord 2000 |
21423+4616 |
|
Discov num |
ES 1275 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 42 16.59 +46 16 22.7 |
|
Date first |
1913 |
|
Date last |
2013 |
|
Obs |
6 |
|
Pa first |
4 |
|
Pa last |
1.4 |
|
P.A. Now (θ) |
1.4° |
|
Sep first |
66.5 |
|
Sep last |
72.63 |
|
Sep. Now (ρ) |
72.63" |
|
Mag pri |
8.62 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
4.28 |
|
Spectral class |
K0 (yellow-orange) |
|
Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
Pri motion dec |
-071 |
|
Sec motion dec |
-018 |
|
Notes |
|
|
rPM=0.745
Nature of this double is uncertain.
21423+4616 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 42 17 +46 16 23 |
ES 1275 AB |
2013 |
6 |
1 |
72.6 |
8.62 |
12.90 |
4.28 |
|
<=== |
Show |
|
|
21 42 17 +46 17 34 |
ES 1275 BC |
2015 |
5 |
337 |
4.3 |
12.90 |
13.30 |
0.40 |
|
|
Show |
|
|
21 42 17 +46 17 34 |
ES 1275 BD |
2015 |
5 |
286 |
6.1 |
12.90 |
13.10 |
0.20 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3591-00480-1 |
|
Gaia DR2 |
1974255797202377856 |
|