21395+5729 STI2582

21h 39m 27.41s +57 29' 00.9" P.A. 187 sep 21.2 mag 8.38,11.42 Sp B0V

Coord 2000
21395+5729
Discov num
STI2582
Comp
Coord arcsec 2000
21 39 27.41 +57 29 00.9
Date first
1906
Date last
2011
Obs
6
Pa first
237
Pa last
187
P.A. Now (θ)
187°
Sep first
2.9
Sep last
21.2
Sep. Now (ρ)
21.2"
Mag pri
8.38
Mag sec
11.42
delta mag (ΔM)
3.04
Spectral class
B0V (blue-white)
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-003
Sec motion dec
-006
Notes


rPM=0.471

Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
187.1
Precise sep
21.155
Cdsa2 id
STI 2582
Constellation
Cepheus
Ra deg
21.65761388888889
De deg
57.483583333333335
last precise pa
187.1
last precise sep
21.155




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21395+5729 STI2582 2002 3 187 21.1 8.00 11.10 B0V D 213927.41+572900.9
21395+5729 STI2582 2003 4 187 20.9 8.00 11.10 B0V D 213927.41+572900.9
21395+5729 STI2582 2011 5 187 21.2 8.38 11.42 B0V 213927.41+572900.9

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