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Doubles in session


Current system
21278+3715
SEI 1518


Nearby doubles
17' : 21264+3712
SEI1514

20' : 21268+3731
SEI1516AB

25' : 21295+3728
SEI1519

32' : 21284+3745
TDT2983

32' : 21252+3708
SEI1513

35' : 21249+3711
TDS1126

35' : 21305+3701
SEI1521AB

36' : 21283+3640
CRB 142

38' : 21272+3752
ES 2520

40' : 21285+3636
ALI 443

41' : 21294+3640
CRB 16

42' : 21287+3755
KPP1064

43' : 21258+3640
S 790AB

44' : 21295+3635
ES 2128AB

47' : 21311+3652
HJ 1653

48' : 21238+3721
STFA 55AB

49' : 21243+3740
WSI 7

49' : 21271+3627
SEI1517

50' : 21241+3741
SEI1458

50' : 21317+3730
GRV 474

54' : 21296+3625
ES 258AB

56' : 21252+3629
CBL 93

58' : 21247+3631
ES 2126AB

59' : 21245+3632
ES 2125AB

61' : 21231+3647
ES 2124

66' : 21331+3726
SEI1525



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21278+3715 SEI 1518

 
 
21h 27m 43.85s +37° 14' 59.4" P.A. 143.00 sep 15.5 mag 10.36,10.97
 
 
Coord 2000 21278+3715 Discov num SEI1518 Comp Coord arcsec 2000 21 27 43.85 +37 14 59.4
Date first 1895 Date last 2015 Obs 11
Pa first 142 Pa last 143.4 P.A. Now (θ) 143.4°
Sep first 14.6 Sep last 15.458 Sep. Now (ρ) 15.458"
Mag pri 10.36 Mag sec 10.97 delta mag (ΔM) 0.61 Spectral class
Pri motion ra -006 Sec motion ra -003
Pri motion dec -002 Sec motion dec -013
Notes N (See Notes)
rPM=0.855
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2716-00366-1 Gaia DR2 1963758489118119552
 
 
WDS 21278+3715 SEI 1518 : NOTES
 
 
discov_num notes refcode
SEI1518 ALI 442.
 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21278+3715 SEI1518 1999 5 143 15.2 10.36 10.97 N D 212743.85+371459.4
21278+3715 SEI1518 2011 6 144 15.5 10.36 10.97 N D 212743.85+371459.4
21278+3715 SEI1518 2015 9 143 15.5 10.36 10.97 N 212743.85+371459.4

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

 
 
WDS 21278+3715 SEI 1518 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21278+3715 SEI 1518 : MEASURES
 
 
No records found.

 
 
WDS 21278+3715 : VIRTUAL EYEPIECE
 
 

21278+3715 SEI1518A mag 10.36 21278+3715 SEI1518B sep 14.4 P.A. 149.40 mag 10.97 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 21278+3715 : ALADIN DSS IMAGE @ 21h 27m 43.85s +37° 14' 59.4"
 
 
 
 
WDS 21278+3715 SEI 1518 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21278+3715 SEI1518 distance=0' 21264+3712 SEI1514 distance=17' 21268+3731 SEI1516AB distance=20' 21268+3731 HEI9004AC distance=20' 21268+3731 HEI9004AD distance=20' 21268+3731 COU1821Da,Db distance=22' 21295+3728 SEI1519 distance=25' 21284+3745 TDT2983 distance=32' 21252+3708 SEI1513 distance=32' 21249+3711 TDS1126 distance=35' 21305+3701 SEI1521AB distance=35' 21305+3701 GII 102Aa,Ab distance=35' 21283+3640 CRB 142 distance=36' 21272+3752 ES 2520 distance=38' 21285+3636 ALI 443 distance=40' 21294+3640 CRB 16 distance=41' 21287+3755 KPP1064 distance=42' 21258+3640 FYM 124CD distance=42' 21258+3640 S 790AB distance=43' 21258+3640 S 790AC distance=43' 21295+3635 ES 2128AB distance=44' 21295+3635 ES 2128AC distance=44' 21238+3721 STFA 55CD distance=46' 21238+3721 STFA 55CE distance=46' 21311+3652 HJ 1653 distance=47' 21238+3721 STFA 55AB distance=48' 21238+3721 STFA 55AC distance=48' 21238+3721 STFA 55AF distance=48' 21243+3740 WSI 7 distance=49' 21271+3627 SEI1517 distance=49' 21241+3741 SEI1458 distance=50' 21317+3730 GRV 474 distance=50' 21296+3625 ES 258BC distance=54' 21296+3625 ES 258AB distance=54' 21252+3629 CBL 93 distance=56' 21247+3631 ES 2126AB distance=58' 21247+3631 WSI 23AC distance=58' 21245+3632 ES 2125AB distance=59' 21245+3632 SEI1512AC distance=59' 21231+3647 ES 2124 distance=61' 21331+3726 SEI1525 distance=66' 21250+3814 TDT2950 distance=68' 21226+3744 COU1820 distance=68' 21233+3801 ES 2519 distance=69' 21221+3734 ES 2517 distance=69' 21228+3754 WIS 349 distance=71' 21235+3627 TDT2940 distance=71' 21337+3728 SEI1526 distance=73' 21257+3824 TDT2955 distance=74' 21215+3719 ROE 24AB distance=74' 21215+3719 ROE 24AD distance=74' 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 21278+3715 SEI1518 143 15.5
Show 21264+3712 SEI1514 184 12.0 17
Show 21268+3731 SEI1516 AB 335 3.9 20
Show 21268+3731 HEI9004 AC 275 25.5 20
Show 21268+3731 HEI9004 AD 335 109.8 20
Show 21268+3731 COU1821 Da,Db 96 0.7 22
Show 21295+3728 SEI1519 181 13.8 25
Show 21284+3745 TDT2983 111 0.5 32
Show 21252+3708 SEI1513 90 14.5 32
Show 21249+3711 TDS1126 314 1.9 35
Show 21305+3701 SEI1521 AB 225 2.9 35
Show 21305+3701 GII 102 Aa,Ab 306 0.4 35
Show 21283+3640 CRB 142 46 25.7 36
Show 21272+3752 ES 2520 238 6.2 38
Show 21285+3636 ALI 443 298 4.3 40
Show 21294+3640 CRB 16 56 111.6 41
Show 21287+3755 KPP1064 246 8.5 42
Show 21258+3640 FYM 124 CD 84 19.4 42
Show 21258+3640 S 790 AB 28 34.5 43
Show 21258+3640 S 790 AC 99 53.1 43
Show 21295+3635 ES 2128 AB 304 7.2 44
Show 21295+3635 ES 2128 AC 101 24.9 44
Show 21238+3721 STFA 55 CD 183 12.8 46
Show 21238+3721 STFA 55 CE 320 17.7 46
Show 21311+3652 HJ 1653 195 19.5 47
Show 21238+3721 STFA 55 AB 304 364.1 48
Show 21238+3721 STFA 55 AC 154 178.3 48
Show 21238+3721 STFA 55 AF 201 22.8 48
Show 21243+3740 WSI 7 44 0.1 49
Show 21271+3627 SEI1517 80 16.3 49
Show 21241+3741 SEI1458 312 7.9 50
Show 21317+3730 GRV 474 236 24.6 50
Show 21296+3625 ES 258 BC 10 19.7 54
Show 21296+3625 ES 258 AB 36 9.8 54
Show 21252+3629 CBL 93 56 12.9 56
Show 21247+3631 ES 2126 AB 170 4.1 58
Show 21247+3631 WSI 23 AC 84 9.0 58
Show 21245+3632 ES 2125 AB 34 2.0 59
Show 21245+3632 SEI1512 AC 198 29.0 59
Show 21231+3647 ES 2124 263 7.6 61
Show 21331+3726 SEI1525 100 15.0 66
Show 21250+3814 TDT2950 200 1.6 68
Show 21226+3744 COU1820 319 1.4 68
Show 21233+3801 ES 2519 224 6.5 69
Show 21221+3734 ES 2517 115 5.3 69
Show 21228+3754 WIS 349 176 44.9 71
Show 21235+3627 TDT2940 339 1.1 71
Show 21337+3728 SEI1526 160 25.3 73
Show 21257+3824 TDT2955 18 0.5 74
Show 21215+3719 ROE 24 AB 168 10.3 74
Show 21215+3719 ROE 24 AD 266 81.7 74

 
 
WDS 21278+3715 : COMPONENTS
 
 
  A
B pa=149.4°
sep=14.42"
 
 
21278+3715 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212743.85+371459.4 Mag 10.36 PmRA -6.00
PmDE -2.0 Tycho2 2716-00366-1
Tycho2
Tycho2 2716-00366-1 Pflag RAmdeg 321.93270228 DEmdeg 37.24983817
PmRA -3.0 PmDE 0.9 E RAmdeg 26 E DEmdeg 20
E pmRA 2.3 E pmDE 2.1 EpRAm 1988.99 EpDEm 1988.91
Num 5 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 11.872 E BTmag 0.067 VTmag 10.362
E VTmag 0.030 Prox 152 TYC T HIP
CCDM RAdeg 321.93271000 DEdeg 37.24983694 EpRA 1990 1.62
EpDE 1990 1.71 E RAdeg 28.0 E DEdeg 23.3 Posflg
Corr 0.1
 
 
21278+3715 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212744.46+371447.0 Mag 10.97 PmRA -3.00
PmDE -13.0 Tycho2 2716-02886-1 Calc delta mag 0.61 Calc coord yes
Tycho2
Tycho2 2716-02886-1 Pflag RAmdeg 321.93586363 DEmdeg 37.24644330
PmRA -3.2 PmDE -5.2 E RAmdeg 33 E DEmdeg 28
E pmRA 2.1 E pmDE 2.0 EpRAm 1988.41 EpDEm 1989.29
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.6 BTmag 11.445 E BTmag 0.050 VTmag 10.971
E VTmag 0.053 Prox 152 TYC T HIP
CCDM RAdeg 321.93587361 DEdeg 37.24645528 EpRA 1990 1.60
EpDE 1990 1.71 E RAdeg 34.1 E DEdeg 28.1 Posflg
Corr 0.2