20048+3359 SEI 841

 
 
20h 04m 49.10s +33 58' 20.7" P.A. 307 sep 26.7 mag 12.20,12.50
 
 
Coord 2000
20048+3359
Discov num
SEI 841
Comp
Coord arcsec 2000
20 04 49.10 +33 58 20.7
Date first
1893
Date last
2015
Obs
13
Pa first
310
Pa last
307
P.A. Now (θ)
307°
Sep first
27.0
Sep last
26.7
Sep. Now (ρ)
26.7"
Mag pri
12.20
Mag sec
12.50
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-005
Sec motion dec
-004
Notes
U (Proper motion indicates non-physical)
rPM=0.186 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
307.1
Precise sep
26.693
Constellation
Cygnus
Tycho2
2678-00375-1
Gaia DR2
38302798720
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20048+3359 SEI 841 1998 6 307 26.7 12.27 12.66 D 200449.10+335820.7
20048+3359 SEI 841 2002 7 307 26.7 12.27 12.66 D 200449.10+335820.7
20048+3359 SEI 841 2011 8 307 26.7 12.27 12.66 D 200449.10+335820.7
20048+3359 SEI 841 2015 9 307 26.7 12.20 12.50 U 200449.10+335820.7

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