20225+2618 HJ 1504AB

 
 
20h 22m 32.59s +26 17' 53.1" P.A. 251 sep 22.5 mag 7.00,12.30 Sp K2II-III dist. 226.76 pc (739.69 l.y.)
 
 
Coord 2000
20225+2618
Discov num
HJ 1504
Comp
AB
Coord arcsec 2000
20 22 32.59 +26 17 53.1
Date first
1828
Date last
2015
Obs
11
Pa first
250
Pa last
251
P.A. Now (θ)
251°
Sep first
25.0
Sep last
22.5
Sep. Now (ρ)
22.5"
Mag pri
7.00
Mag sec
12.30
delta mag (ΔM)
5.3
Spectral class
K2II-III (yellow-orange)
Pri motion ra
+009
Sec motion ra
+003
Pri motion dec
-016
Sec motion dec
-004
Notes
rPM=0.731
Nature of this double is uncertain.
 
 
20225+2618 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20225+2618 HJ 1504 AB 1828 2015 11 251 22.5 7.00 12.30 5.30 <===
Show 20225+2618 HJ 1504 AC 1898 2015 11 228 51.6 7.00 11.20 4.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
251.3
Precise sep
22.477
Constellation
Vulpecula
SAO
88597
HIP
100476
Tycho2
2164-00938-1
Gaia DR2
51820966912
HD
194033
BD
BD+25 4215
Distance
226.76
Distance ly
739.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20225+2618 HJ 1504 AB 1997 6 251 22.3 7.10 10.60 K2II-III D 202232.59+261753.1
20225+2618 HJ 1504 AB 2008 8 251 22.5 7.10 10.60 K2II-III D 202232.59+261753.1
20225+2618 HJ 1504 AB 2012 10 252 22.7 7.10 10.60 K2II-III D 202232.59+261753.1
20225+2618 HJ 1504 AB 2015 11 251 22.5 7.00 12.30 K2II-III 202232.59+261753.1

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