00220+4913 SKF1600AB

 
 
00h 21m 57.84s +49 12' 37.9" P.A. 303.00 sep 2.3 mag 13.10,16.00 Sp M2.5V+M
 
 
Coord 2000
00220+4913
Discov num
SKF1600
Comp
AB
Coord arcsec 2000
00 21 57.84 +49 12 37.9
Date first
1995
Date last
2019
Obs
11
Pa first
290
Pa last
303
P.A. Now (θ)
303°
Sep first
2.9
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
13.10
Mag sec
16.00
delta mag (ΔM)
2.9
Spectral class
M2.5V+M (red/red)
Pri motion ra
+209
Sec motion ra
+210
Pri motion dec
-035
Sec motion dec
-029
Notes
N T (See Notes, Parallax indicates physical)
rPM=0.029 (< 0.3, Physical double)
This double is physical.
 
 
00220+4913 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 00 21 58 +49 12 38 SKF 1600 AB 2019 11 303 2.3 13.10 16.00 2.90 <===
Show 00 21 58 +49 12 38 BWL 3 AC 2014 3 94 2.7 8.60 18.20 9.60
Show 00 21 58 +49 12 38 BWL 3 AD 2013 2 358 5.9 8.60 16.50 7.90
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
302.7
Precise sep
2.315
Constellation
Hydra
Gaia DR2
394177942214683520
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00220+4913 SKF1600 AB 2011 3 300 2.3 13.10 16.00 M2.5V V 002157.84+491237.9
00220+4913 SKF1600 AB 2015 4 301 2.3 13.10 16.00 M2.5V NV 002157.84+491237.9
00220+4913 SKF1600 AB 2019 5 303 2.3 13.10 16.00 M2.5V+M NT 002157.84+491237.9

If you need more information about this double, apply for a data request form to the WDS.