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Current system
21538+6237
ES 144 BD


Nearby doubles
2' : 21540+6237
PET 14

4' : 21534+6235
STI1068

6' : 21538+6241
PET 12

6' : 21546+6234
PET 15

22' : 21552+6217
TDT3239

23' : 21569+6242
ES 145AB

24' : 21514+6251
LDS5933

26' : 21520+6258
MLB 178

27' : 21564+6216
HU 973

32' : 21523+6306
STF2845AB

32' : 21521+6206
KR 56

38' : 21549+6159
OSO 161AB

41' : 21481+6230
ES 1858AB

46' : 21474+6245
WIS 354

48' : 22007+6229
KUI 110

49' : 21492+6312
HEI 290

51' : 22009+6250
HU 976

53' : 21470+6214
STI1050

53' : 21464+6250
STI1049

54' : 21478+6203
HU 971AB

55' : 21544+6330
STI1071

56' : 21599+6200
STI1079

58' : 21490+6323
MLB 177

58' : 21502+6144
TDT3186

58' : 21466+6305
KPP4247

59' : 21576+6144
MLR 63



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21538+6237 ES 144 BD

 
 
21h 53m 53.30s +62° 36' 00.8" P.A. 43.00 sep 23.6 mag 7.07,12.00 Sp B1V dist. 819.67 pc (2673.76 l.y.)
 
 
Coord 2000 21538+6237 Discov num ES  144 Comp BD Coord arcsec 2000 21 53 53.30 +62 36 00.8
Date first 1898 Date last 2015 Obs 8
Pa first 41 Pa last 42.7 P.A. Now (θ) 42.7°
Sep first 23.0 Sep last 23.582 Sep. Now (ρ) 23.582"
Mag pri 7.07 Mag sec 12.00 delta mag (ΔM) 4.93 Spectral class B1V (blue-white)
Pri motion ra -003 Sec motion ra +006
Pri motion dec -001 Sec motion dec -003
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=1.374
This double is not physical.
 
 
21538+6237 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19718 21 53 48 +62 36 52 PET 13 Aa,Ab 2007 1 212 0.1 7.03
Show EM Cep 19718 21 53 48 +62 36 52 S 800 AB 2022 32 145 62.8 7.07 7.91 0.84
Show 19718 21 53 48 +62 36 52 ES 144 AC 2015 5 278 20.5 7.07 12.62 5.55
Show 19719 21 53 53 +62 36 01 ES 144 BD 2015 8 43 23.6 7.07 12.00 4.93 <===
Show 21 53 45 +62 36 55 PET 13 CE 2015 2 290 1.2 11.82
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus SAO 19719 HIP 108080 Tycho2 4266-01263-1
Gaia DR2 2204369806948781056 HD 208440 BD BD+61 2217 Distance 819.67
Distance ly 2673.76
 
 
WDS 21538+6237 ES 144 BD : NOTES
 
 
discov_num notes refcode
S 800 A is the Beta Lyrae-type system EM Cep, P = 0.81d.
Spectrum B0.5V+b1Ve. B is BD+61@2217, spectrum B1III/V.
 
 
REFERENCES
 
 
refcode metd author reference
Es_1901 Mb - Espin, T.E. 1901AN....155..321E
Es_1901 AN 155, 321, 1901 (ES 1 - 39)
Es_1902a Ma - Espin, T.E. 1902AN....158..241E
Es_1902a +Mb AN 158, 241, 1902 (ES 40 - 112)
Es_1902b Mb - Espin, T.E. 1902MNRAS..62..528E
Es_1902b MNRAS 62, 528, 1902
Es_1902c Mb j Espin, T.E. 1902MNRAS..62..402E
Es_1902c MNRAS 62, 402, 1902
Es_1903 Mb - Espin, T.E. 1903MNRAS..63..172E
Es_1903 MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a - Espin, T.E. 1904MNRAS..64..238E
Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E
Es_1904b Mb - Espin, T.E. 1904MNRAS..64..675E
Es_1904b MNRAS 64, 675, 1904
Es_1905 Mb - Espin, T.E. 1905MNRAS..65..710E
Es_1905 MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a Mb - Espin, T.E. 1906MNRAS..66..141E
Es_1906a MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b Mb - Espin, T.E. 1906MNRAS..66..430E
Es_1906b MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C Mb - Espin, T.E. 1906QB821.B972.....
Es_1906C cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D Mb - Espin, T.E. 1906MmRAS..56....1L
Es_1906D cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a Mb j Espin, T.E. 1907MNRAS..67..190E
Es_1907a MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b Mb - Espin, T.E. 1907MNRAS..67..495E
Es_1907b MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a Mb j Espin, T.E. 1908MNRAS..68..202E
Es_1908a MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b Mb - Espin, T.E. 1908MNRAS..68..523E
Es_1908b MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c - Espin, T.E. 1908JRASC...2..248E
Es_1908c JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) 1909MNRAS..69..218E
Es_1909a Mb j Espin, T.E. 1909MNRAS..69..218E
Es_1909a MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b Mb j Espin, T.E. 1909MNRAS..69..604E
Es_1909b MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a Mb - Espin, T.E. 1910MNRAS..70..237E
Es_1910a MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b Mb - Espin, T.E. 1910MNRAS..70..541E
Es_1910b MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911 Mb - Espin, T.E. 1911MNRAS..71..217E
Es_1911 MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912 Mb - Espin, T.E. 1912MNRAS..72..191E
Es_1912 MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913 Mb j Espin, T.E. 1913MNRAS..73..162E
Es_1913 MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a Mb - Espin, T.E. 1915MNRAS..75..203E
Es_1915a MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b Mb - Espin, T.E. 1915MNRAS..75..555E
Es_1915b MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c Mb - Espin, T.E. 1915MNRAS..76..210E
Es_1915c MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917 Mb - Espin, T.E. 1917MNRAS..77..236E
Es_1917 MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918 Mb j Espin, T.E. 1918MNRAS..78..189E
Es_1918 MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919 Mb - Espin, T.E. 1919MNRAS..79..211E
Es_1919 MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920 Mb - Espin, T.E. 1920MNRAS..80..329E
Es_1920 MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921 Mb j Espin, T.E. 1921MNRAS..81..232E
Es_1921 MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922 Mb - Espin, T.E. 1922MNRAS..82..187E
Es_1922 MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923 Mb - Espin, T.E. 1923MNRAS..83..154E
Es_1923 MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924 Mb - Espin, T.E. 1924MNRAS..84..162E
Es_1924 MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a Mb - Espin, T.E. 1925MNRAS..85..276E
Es_1925a MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b Mb - Espin, T.E. 1925MNRAS..86...79E
Es_1925b MNRAS 86, 79, 1925
Es_1926 Mb - Espin, T.E. 1926MNRAS..86..131E
Es_1926 MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927 Mb - Espin, T.E. 1927MNRAS..87..215E
Es_1927 MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928 Mb - Espin, T.E. 1928MNRAS..88..185E
Es_1928 MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929 Mb - Espin, T.E. 1929MNRAS..89..268E
Es_1929 MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930 Mb - Espin, T.E. 1930MNRAS..90..317E
Es_1930 MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931 Mb - Espin, T.E. 1931MNRAS..91..294E
Es_1931 MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a Mb - Espin, T.E. 1932MNRAS..92..214E
Es_1932a MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B Mb - Espin, T.E. 1932QB821.A43......
Es_1932B cited in ADS (Aitken Double Star Cat.), 1932
Es_1933 Mb - Espin, T.E. 1933MNRAS..93..192E
Es_1933 MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A Mb - Espin, T.E. 1937AnLei..18....1S
Es_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Pet2012 Cl j Peter, D., Feldt, M., Henning, Th., & Hormuth, F. 2012A&A...538A..74P
Pet2012 A&A 538, A74, 2012
Pet2012 [Note: Observing dates 11-14 Aug 2007 (Peter, private comm.)]
S__1826 Ma - South, J. 1826RSPT..116....1S
S__1826 Phil. Trans. R. Soc., 116, Pt.1, 1826
S__1844A Ma - South, J. 1844QB43.S66.......
S__1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
S__1852A Ma - South, J. .
S__1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
S__1880A Ma - South, J. 1880MNRAS..40..497B
S__1880A cited by Burnham (MNRAS 40, 497, 1880)
S__1906A Ma - South, J. 1906MmRAS..56....1L
S__1906A cited by Lewis (MemRAS 56, 1, 1906)
S__1906B Ma - South, J. 1906QB821.B972.....
S__1906B cited in BDS (Burnham Double Star Cat., 1906)
S__1913A Ma - South, J. 1913QB811.B8.......
S__1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
S__1922A Ma - South, J. 1922AN....216...49R
S__1922A cited by Rabe (AN 216, 49, 1922)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21538+6237 ES 144 BD 2011 3 43 23.6 7.07 12.00 B1V NU 215353.30+623600.8
21538+6237 ES 144 BD 2015 5 43 23.6 7.07 12.00 B1V NU 215353.30+623600.8

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

 
 
WDS 21538+6237 ES 144 BD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21538+6237 ES 144 BD : MEASURES
 
 
No records found.

 
 
WDS 21538+6237 : VIRTUAL EYEPIECE
 
 

21538+6237 S 800A mag 7.07 Sp B1V 21538+6237 PET 13Ab sep 0.1 P.A. 196.00 21538+6237 ES 144B sep 62.4 P.A. 145.00 mag 7.07 Sp B1V 21538+6237 PET 13C sep 20.8 P.A. 278.00 mag 11.82 Sp A2 21538+6237 ES 144D sep 54.8 P.A. 128.00 mag 12 21538+6237 PET 13E sep 21.4 P.A. 278.90 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21538+6237 : ALADIN DSS IMAGE @ 21h 53m 53.30s +62° 36' 00.8"
 
 
 
 
WDS 21538+6237 ES 144 BD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21538+6237 ES 144BD distance=0' 21538+6237 S 800AB distance=2' 21538+6237 ES 144AC distance=2' 21538+6237 PET 13Aa,Ab distance=2' 21538+6237 PET 13CE distance=2' 21540+6237 PET 14 distance=2' 21534+6235 STI1068 distance=4' 21538+6241 PET 12 distance=6' 21546+6234 PET 15 distance=6' 21552+6217 TDT3239 distance=22' 21569+6242 ES 145AB distance=23' 21569+6242 ES 145AC distance=23' 21514+6251 LDS5933 distance=24' 21520+6258 MLB 178 distance=26' 21564+6216 HU 973 distance=27' 21523+6306 STF2845AB distance=32' 21523+6306 MAD 12AC distance=32' 21521+6206 KR 56 distance=32' 21549+6159 OSO 161AB distance=38' 21549+6159 OSO 161AC distance=38' 21549+6159 OSO 161AD distance=38' 21549+6159 OSO 161AE distance=38' 21481+6230 ES 1858AB distance=41' 21481+6230 ES 1858AC distance=41' 21474+6245 WIS 354 distance=46' 22007+6229 KUI 110 distance=48' 21492+6312 HEI 290 distance=49' 22009+6250 HU 976 distance=51' 21470+6214 STI1050 distance=53' 21464+6250 STI1049 distance=53' 21478+6203 HU 971AB distance=54' 21478+6203 HU 971AB,C distance=54' 21544+6330 STI1071 distance=55' 21599+6200 STI1079 distance=56' 21490+6323 MLB 177 distance=58' 21502+6144 TDT3186 distance=58' 21466+6305 KPP4247 distance=58' 21576+6144 MLR 63 distance=59' 21565+6334 STI1074 distance=61' 22026+6238 STI1081 distance=61' 21543+6134 ES 1922 distance=62' 21510+6137 STT 451 distance=63' 21449+6228 MLR 16AB distance=63' 21449+6228 TRN 33AC distance=63' 21449+6228 CIA 43Aa,Ab distance=63' 21447+6233 FYM 281 distance=64' 21567+6338 WRH 36 distance=65' 22034+6233 ES 1859 distance=67' 22031+6214 STI1082 distance=68' 21518+6129 MRI 58BC distance=69' 21518+6129 STI1063AB distance=69' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 21538+6237 ES 144 BD 43 23.6
Show 21538+6237 S 800 AB 145 62.8 2
Show 21538+6237 ES 144 AC 278 20.5 2
Show 21538+6237 PET 13 Aa,Ab 212 0.1 2
Show 21538+6237 PET 13 CE 290 1.2 2
Show 21540+6237 PET 14 94 0.5 2
Show 21534+6235 STI1068 56 10.3 4
Show 21538+6241 PET 12 169 1.6 6
Show 21546+6234 PET 15 15 2.6 6
Show 21552+6217 TDT3239 89 0.8 22
Show 21569+6242 ES 145 AB 204 2.8 23
Show 21569+6242 ES 145 AC 238 18.8 23
Show 21514+6251 LDS5933 333 2.4 24
Show 21520+6258 MLB 178 325 4.5 26
Show 21564+6216 HU 973 124 0.2 27
Show 21523+6306 STF2845 AB 173 2.0 32
Show 21523+6306 MAD 12 AC 207 35.4 32
Show 21521+6206 KR 56 299 4.7 32
Show 21549+6159 OSO 161 AB 335 14.8 38
Show 21549+6159 OSO 161 AC 36 21.8 38
Show 21549+6159 OSO 161 AD 19 19.8 38
Show 21549+6159 OSO 161 AE 315 20.4 38
Show 21481+6230 ES 1858 AB 227 6.5 41
Show 21481+6230 ES 1858 AC 33 17.8 41
Show 21474+6245 WIS 354 6 69.0 46
Show 22007+6229 KUI 110 222 1.0 48
Show 21492+6312 HEI 290 7 1.2 49
Show 22009+6250 HU 976 57 1.6 51
Show 21470+6214 STI1050 11 7.5 53
Show 21464+6250 STI1049 90 4.5 53
Show 21478+6203 HU 971 AB 207 0.3 54
Show 21478+6203 HU 971 AB,C 285 9.0 54
Show 21544+6330 STI1071 74 8.2 55
Show 21599+6200 STI1079 45 8.8 56
Show 21490+6323 MLB 177 57 2.6 58
Show 21502+6144 TDT3186 153 0.8 58
Show 21466+6305 KPP4247 34 1.9 58
Show 21576+6144 MLR 63 216 1.0 59
Show 21565+6334 STI1074 60 7.3 61
Show 22026+6238 STI1081 92 3.7 61
Show 21543+6134 ES 1922 164 4.6 62
Show 21510+6137 STT 451 219 4.2 63
Show 21449+6228 MLR 16 AB 34 17.8 63
Show 21449+6228 TRN 33 AC 75 3.0 63
Show 21449+6228 CIA 43 Aa,Ab -1 -1.0 63
Show 21447+6233 FYM 281 278 4.1 64
Show 21567+6338 WRH 36 175 0.1 65
Show 22034+6233 ES 1859 94 2.6 67
Show 22031+6214 STI1082 199 12.3 68
Show 21518+6129 MRI 58 BC 98 2.6 69
Show 21518+6129 STI1063 AB 88 9.8 69

 
 
WDS 21538+6237 : COMPONENTS
 
 
  A Ab B C D
Ab pa=196.0°
sep=0.09"
 
B pa=145.0°
sep=62.40"
pa=144.9°
sep=62.35"
 
C pa=278.0°
sep=20.83"
pa=278.2°
sep=20.82"
pa=313.7°
sep=78.12"
 
D pa=128.0°
sep=54.81"
pa=128.0°
sep=54.78"
pa=23.0°
sep=18.83"
pa=119.9°
sep=73.59"
 
E pa=278.9°
sep=21.42"
pa=279.2°
sep=21.41"
pa=313.7°
sep=78.80"
pa=309.0°
sep=0.68"
pa=300.0°
sep=74.27"
 
 
21538+6237 A
 
 
Var name EM Cep Coord arcsec 2000 215348.11+623651.9 Mag 7.07 Spectral class B1V (blue-white)
PmRA -3.00 PmDE -1.0 SAO 19718 HIP 108073
Tycho2 4266-02575-1 HD 208392 GC 30671 BD BD+61 2216
Tycho2
Tycho2 4266-02575-1 Pflag RAmdeg 328.45041883 DEmdeg 62.61442316
PmRA -4.8 PmDE -2.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.5 EpRAm 1991.33 EpDEm 1991.44
Num 12 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 7.259 E BTmag 0.015 VTmag 7.068
E VTmag 0.010 Prox 625 TYC T HIP 108073
CCDM RAdeg 328.45044333 DEdeg 62.61442806 EpRA 1990 1.55
EpDE 1990 1.63 E RAdeg 4.2 E DEdeg 4.3 Posflg
Corr 0.0
SAO
SAO 19718 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 0.017 Vmag 7.1 SpType B3
Double code Source 70 CatNum 30671 DM BD+61 2216
DMcomp BDsup HD 208392 M HD 0
GC 30671 RA1950rad 5.72626835 DE1950rad 1.08869985 PmRA2000 -0.0007
PmDE2000 0.012
Hipparcos
Catalog H HIP 108073 Proxy RAhms 21 53 48.11
DEdms +62 36 51.9 Vmag 7.01 VarFlag 2 R Vmag H
RAdeg 328.45 DEdeg 62.6144 AstroRef Plx 1.39
CCDM 21538+6237 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 208392 BD BD+61 2216
CD CP Dm number +61 2216 VIred 0.29
SpType B1IV: R SpType Coord arcsec 2000 215348.11+623651.9
Hipparcos 2
HIP 108073 Sn 5 So 0 Nc 1
RArad 5.732541689 DErad 1.0928279617 Plx 2.03 PmRA -2.52
PmDE -0.88 E RArad 0.52 E DErad 0.45 E Plx 0.54
E pmRA 0.6 E pmDE 0.47 Hpmag 7.0762 E Hpmag 0.0055
SHp 0.047 VA 1 BV 0.259 E BV 0.003
VI 0.29
CCDM
Ccdm 21538+6237 RComp Comp A Note1
Note2 Discov num DRAs 0.09 DDEs -8.9
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.1 Sp B3 PmNote *
PmRA -14 PmDE -14 Dm number +61 2216 Cat1 BD
Name2 +62 1287 Cat2 AGK2/3 HD 208392 M HD
ADS BDS A15434 M ADS BDS N IDS IDS 21509N6208A
HIC 108073
 
 
21538+6237 Ab
 
 
Coord arcsec 2000 215348.11+623651.8 Calc delta mag 7.03 Calc coord yes
 
 
21538+6237 B
 
 
Coord arcsec 2000 215353.30+623600.8 Coord calc 215353.30+623600.8 Mag 7.07 Spectral class B1V (blue-white)
PmRA -3.00 PmDE -1.0 SAO 19719 HIP 108080
Tycho2 4266-01263-1 HD 208440 BD BD+61 2217 Calc delta mag 0.04
Tycho2
Tycho2 4266-01263-1 Pflag RAmdeg 328.47209566 DEmdeg 62.60021310
PmRA -0.8 PmDE -1.4 E RAmdeg 5 E DEmdeg 5
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.44 EpDEm 1991.48
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 7.953 E BTmag 0.016 VTmag 7.907
E VTmag 0.012 Prox 625 TYC T HIP 108080
CCDM RAdeg 328.47209944 DEdeg 62.60021611 EpRA 1990 1.61
EpDE 1990 1.65 E RAdeg 5.2 E DEdeg 5.4 Posflg
Corr -0.1
SAO
SAO 19719 DelFlag RA1950 PmRA1950 -0.002
DE1950 PmDE1950 0 Vmag 8 SpType B8
Double code Source 2 CatNum 1288 DM BD+61 2217
DMcomp BDsup HD 208440 M HD 0
GC RA1950rad 5.72663589 DE1950rad 1.08844696 PmRA2000 -0.0017
PmDE2000 -0.005
Hipparcos
Catalog H HIP 108080 Proxy RAhms 21 53 53.30
DEdms +62 36 00.8 Vmag 7.94 VarFlag R Vmag H
RAdeg 328.472 DEdeg 62.6002 AstroRef Plx 0.45
CCDM 21538+6237 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 208440 BD BD+61 2217
CD CP Dm number +61 2217 VIred 0.06
SpType B1V R SpType Coord arcsec 2000 215353.30+623600.8
Hipparcos 2
HIP 108080 Sn 5 So 0 Nc 1
RArad 5.7329195359 DErad 1.0925798228 Plx 1.22 PmRA -3.82
PmDE -1.71 E RArad 0.44 E DErad 0.4 E Plx 0.48
E pmRA 0.54 E pmDE 0.43 Hpmag 7.9594 E Hpmag 0.0011
SHp 0.012 VA 0 BV 0.025 E BV 0.011
VI 0.04
CCDM
Ccdm 21538+6237 RComp Comp B Note1
Note2 Discov num S 800 DRAs 5.40 DDEs -58.8
R dRAs 10 Year 1824 Theta 146 Rho 62.6
Obs 9 Vmag 8.8 Sp B8 PmNote *
PmRA 5 PmDE 10 Dm number +61 2217 Cat1 BD
Name2 +62 1288 Cat2 AGK2/3 HD 208440 M HD
ADS BDS A15434 M ADS BDS N IDS IDS 21509N6208B
HIC 108080
 
 
21538+6237 C
 
 
Coord arcsec 2000 215345.12+623654.8 Coord calc 215345.12+623654.8 Mag 11.82 Spectral class A2 (white)
PmRA 13.00 PmDE -7.0 Calc delta mag 4.79
 
 
21538+6237 D
 
 
Coord arcsec 2000 215354.37+623618.1 Mag 12 PmRA 6.00 PmDE -3.0
Calc delta mag 4.97 Calc coord yes
 
 
21538+6237 E
 
 
Coord arcsec 2000 215345.04+623655.2 Calc delta mag 7.03 Calc coord yes