20307+4109 CAN 16
20h 30m 39.71s +41° 08' 49.0" P.A. 347.00 sep 8.4 mag 6.00,12.20 Sp B0.7
Coord 2000 |
20307+4109 |
|
Discov num |
CAN 16 |
|
Comp |
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|
Coord arcsec 2000 |
20 30 39.71 +41 08 49.0 |
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Date first |
2008 |
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Date last |
2014 |
|
Obs |
4 |
|
Pa first |
346 |
|
Pa last |
347.3 |
|
P.A. Now (θ) |
347.3° |
|
Sep first |
8.7 |
|
Sep last |
8.409 |
|
Sep. Now (ρ) |
8.409" |
|
Mag pri |
6.00 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
6.2 |
|
Spectral class |
B0.7 (blue-white) |
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Pri motion ra |
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Sec motion ra |
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Pri motion dec |
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Sec motion dec |
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Notes |
V
K
(Proper motion indicates physical, K-band or other infrared magnitudes) |
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Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3157-00601-1 |
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