21576+0501 HJ 3073 (HD 208642)

 
 
21h 57m 37.24s +05° 00' 58.2" P.A. 18.00 sep 25.6 mag 9.07,12.00 Sp A3 dist. 126.42 pc (412.38 l.y.)
 
 
Coord 2000 21576+0501 Discov num HJ 3073 Comp Coord arcsec 2000 21 57 37.24 +05 00 58.2
Date first 1830 Date last 2015 Obs 19
Pa first 10 Pa last 17.6 P.A. Now (θ) 17.6°
Sep first 15.0 Sep last 25.6 Sep. Now (ρ) 25.6"
Mag pri 9.07 Mag sec 12.00 delta mag (ΔM) 2.93 Spectral class A3 (white)
Pri motion ra -025 Sec motion ra -203
Pri motion dec -024 Sec motion dec -024
Notes U (Proper motion indicates non-physical)
rPM=0.871
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 208642 Constellation Pegasus SAO 127191 HIP 108395
Tycho2 0553-00621-1 Gaia DR2 2696353878287006848 HD 208642 BD BD+04 4772
Distance 126.42 Distance ly 412.38
 
 
WDS 21576+0501 HJ 3073 (HD 208642) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21576+0501 HJ 3073 2000 9 17 25.3 9.07 12.27 A3 LD 215737.24+050058.2
21576+0501 HJ 3073 2013 11 18 25.7 9.07 12.00 A3 L 215737.24+050058.2
21576+0501 HJ 3073 2015 12 18 25.6 9.07 12.00 A3 L 215737.24+050058.2

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WDS 21576+0501 HJ 3073 (HD 208642) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21576+0501 HJ 3073 (HD 208642) : MEASURES
 
 
No records found.

 
 
WDS 21576+0501 (HD 208642) : VIRTUAL EYEPIECE
 
 

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Radius:
Components only
 
 
WDS 21576+0501 (HD 208642) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.