21101+4359 HJ 1618 AB (HD 201734)
21h 10m 04.76s +43° 59' 23.3" P.A. 174.00 sep 21.7 mag 8.27,11.20 Sp A0
Coord 2000 |
21101+4359 |
|
Discov num |
HJ 1618 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 10 04.76 +43 59 23.3 |
|
Date first |
1828 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
172 |
|
Pa last |
173.9 |
|
P.A. Now (θ) |
173.9° |
|
Sep first |
15.0 |
|
Sep last |
21.694 |
|
Sep. Now (ρ) |
21.694" |
|
Mag pri |
8.27 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
2.93 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
+003 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
rPM=1.307
This double is not physical.
21101+4359 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 201734 |
50525 |
21 10 05 +43 59 23 |
HJ 1618 AB |
2015 |
9 |
174 |
21.7 |
8.27 |
11.20 |
2.93 |
|
<=== |
Show |
|
|
21 10 05 +43 59 02 |
HJ 1618 BC |
2015 |
6 |
132 |
2.9 |
11.20 |
12.20 |
1.00 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 201734 |
|
Constellation |
Cygnus |
|
SAO |
50525 |
|
Tycho2 |
3181-05363-1 |
|
Gaia DR2 |
1970259523427738880 |
|
HD |
201734 |
|