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Current system
20268+1603
GWP 2950


Nearby doubles
15' : 20271+1549
BPM2168

19' : 20259+1549
BPM2154

20' : 20255+1555
BPM2152

23' : 20270+1541
BPM2165

23' : 20253+1609
BPM2150

27' : 20280+1624
BPM2170

29' : 20276+1629
GWP2953

38' : 20291+1622
BPM2172

39' : 20252+1532
TDT2256

39' : 20243+1617
BPM2144

41' : 20250+1532
TDS1072

41' : 20294+1617
BPM2174

44' : 20267+1646
TVB 314

51' : 20275+1514
J 3087

51' : 20279+1515
BPMA248

54' : 20268+1656
HO 129

55' : 20281+1654
HEI 180

56' : 20257+1510
BPM2153

57' : 20288+1514
SLW1225

58' : 20267+1701
BRT1342

61' : 20306+1540
GRV 346

63' : 20311+1600
BPM2181

63' : 20230+1533
BPM2136

64' : 20311+1548
A 1675

65' : 20295+1512
BPM2175

68' : 20274+1457
BRT1343



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

20268+1603 GWP 2950

 
 
20h 26m 47.34s +16° 03' 03.5" P.A. 44.00 sep 20.6 mag 8.40,15.80 Sp F2
 
 
Coord 2000 20268+1603 Discov num GWP2950 Comp Coord arcsec 2000 20 26 47.34 +16 03 03.5
Date first 1992 Date last 2016 Obs 11
Pa first 43 Pa last 44.3 P.A. Now (θ) 44.3°
Sep first 20.9 Sep last 20.609 Sep. Now (ρ) 20.609"
Mag pri 8.40 Mag sec 15.80 delta mag (ΔM) 7.4 Spectral class F2 (yellow-white)
Pri motion ra +094 Sec motion ra +098
Pri motion dec -041 Sec motion dec -046
Notes V (Proper motion indicates physical)
rPM=0.059 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1632-02129-1 Gaia DR2 1805816972378652032
 
 
WDS 20268+1603 GWP 2950 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
GWP Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP Observatory (OAG) CPMWP Survey
GWP Part I (2012): Measures of 1725 pairs. Equatorial zone
GWP (RA 00h00m to 11h59m, DEC +20 to -20 deg)
GWP Garraf Wide Pairs: CPM wide pairs (>50mas/y) discovered in the Garraf Astronomical
GWP Observatory (OAG) CPMWP Survey
GWP Part II (2016): Measures of 1657 pairs. Equatorial zone
GWP (RA 12h00m to 23h59m, DEC +20 to -20 deg)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20268+1603 GWP2950 1997 2 45 20.3 8.40 15.80 V 202647.34+160303.5
20268+1603 GWP2950 2010 4 44 20.4 8.40 15.80 V 202647.34+160303.5
20268+1603 GWP2950 2015 5 45 20.7 8.40 15.80 F2 V 202647.34+160303.5
20268+1603 GWP2950 2016 11 44 20.6 8.40 15.80 F2 V 202647.34+160303.5

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

 
 
WDS 20268+1603 GWP 2950 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20268+1603 GWP 2950 : MEASURES
 
 
No records found.

 
 
WDS 20268+1603 : VIRTUAL EYEPIECE
 
 

20268+1603 GWP2950A mag 8.4 Sp F2 20268+1603 GWP2950B sep 20.2 P.A. 43.20 mag 15.8 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 20268+1603 : ALADIN DSS IMAGE @ 20h 26m 47.34s +16° 03' 03.5"
 
 
 
 
WDS 20268+1603 GWP 2950 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20268+1603 GWP2950 distance=0' 20271+1549 BPM2168 distance=15' 20259+1549 BPM2154 distance=19' 20255+1555 BPM2152 distance=20' 20270+1541 BPM2165 distance=23' 20253+1609 BPM2150 distance=23' 20280+1624 BPM2170 distance=27' 20276+1629 GWP2953 distance=29' 20291+1622 BPM2172 distance=38' 20252+1532 TDT2256 distance=39' 20243+1617 BPM2144 distance=39' 20250+1532 TDS1072 distance=41' 20294+1617 BPM2174 distance=41' 20267+1646 TVB 314 distance=44' 20275+1514 J 3087 distance=51' 20279+1515 BPMA248 distance=51' 20268+1656 HO 129 distance=54' 20281+1654 HEI 180 distance=55' 20257+1510 BPM2153 distance=56' 20288+1514 SLW1225 distance=57' 20267+1701 BRT1342 distance=58' 20306+1540 GRV 346 distance=61' 20311+1600 BPM2181 distance=63' 20230+1533 BPM2136 distance=63' 20311+1548 A 1675 distance=64' 20295+1512 BPM2175 distance=65' 20274+1457 BRT1343 distance=68' 20222+1623 STF2670BC distance=69' 20222+1623 STF2670AB distance=69' 20222+1623 ABH 139AD distance=69' 20222+1623 GUI 31AC distance=69' 20226+1529 BPM2133 distance=70' 20233+1515 BPM2138AB distance=71' 20233+1515 BPM2139AC distance=71' 20275+1454 A 1674CD distance=71' 20275+1454 A 1674AB distance=71' 20275+1454 A 1674AC distance=71' 20233+1515 BPM2140BD distance=71' 20246+1459 BPM2145 distance=72' 20219+1622 LEP 169 distance=73' 20284+1713 HJ 2969 distance=74' 20216+1556 BPM2127 distance=75' 20311+1648 J 563BC distance=77' 20231+1508 BPM2137 distance=77' 20311+1648 ROE 14AB distance=77' 20250+1451 J 842 distance=77' 20248+1452 STF2680 distance=77' 20216+1546 BPM2126 distance=77' 20263+1445 J 3085 distance=78' 20262+1721 BPM2158 distance=79' 20226+1510 LDS4838 distance=80' 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 20268+1603 GWP2950 44 20.6
Show 20271+1549 BPM2168 55 108.3 15
Show 20259+1549 BPM2154 206 93.0 19
Show 20255+1555 BPM2152 335 107.4 20
Show 20270+1541 BPM2165 182 62.1 23
Show 20253+1609 BPM2150 238 101.1 23
Show 20280+1624 BPM2170 207 80.4 27
Show 20276+1629 GWP2953 29 69.7 29
Show 20291+1622 BPM2172 155 50.8 38
Show 20252+1532 TDT2256 43 0.9 39
Show 20243+1617 BPM2144 81 65.0 39
Show 20250+1532 TDS1072 161 0.9 41
Show 20294+1617 BPM2174 211 87.3 41
Show 20267+1646 TVB 314 209 17.2 44
Show 20275+1514 J 3087 329 6.2 51
Show 20279+1515 BPMA248 224 168.3 51
Show 20268+1656 HO 129 163 4.7 54
Show 20281+1654 HEI 180 166 1.1 55
Show 20257+1510 BPM2153 113 95.6 56
Show 20288+1514 SLW1225 38 11.7 57
Show 20267+1701 BRT1342 90 5.8 58
Show 20306+1540 GRV 346 11 66.6 61
Show 20311+1600 BPM2181 57 94.1 63
Show 20230+1533 BPM2136 245 91.7 63
Show 20311+1548 A 1675 294 0.1 64
Show 20295+1512 BPM2175 197 75.4 65
Show 20274+1457 BRT1343 335 4.5 68
Show 20222+1623 STF2670 BC 77 15.9 69
Show 20222+1623 STF2670 AB 153 30.0 69
Show 20222+1623 ABH 139 AD 143 93.0 69
Show 20222+1623 GUI 31 AC 129 37.0 69
Show 20226+1529 BPM2133 169 63.6 70
Show 20233+1515 BPM2138 AB 179 54.0 71
Show 20233+1515 BPM2139 AC 359 111.7 71
Show 20275+1454 A 1674 CD 171 1.3 71
Show 20275+1454 A 1674 AB 14 0.9 71
Show 20275+1454 A 1674 AC 294 8.4 71
Show 20233+1515 BPM2140 BD 306 82.6 71
Show 20246+1459 BPM2145 162 73.2 72
Show 20219+1622 LEP 169 13 4.6 73
Show 20284+1713 HJ 2969 170 6.0 74
Show 20216+1556 BPM2127 197 109.9 75
Show 20311+1648 J 563 BC 215 5.1 77
Show 20231+1508 BPM2137 314 41.6 77
Show 20311+1648 ROE 14 AB 262 7.0 77
Show 20250+1451 J 842 180 4.2 77
Show 20248+1452 STF2680 288 16.2 77
Show 20216+1546 BPM2126 343 112.6 77
Show 20263+1445 J 3085 206 6.0 78
Show 20262+1721 BPM2158 251 115.1 79
Show 20226+1510 LDS4838 25 19.4 80

 
 
WDS 20268+1603 : COMPONENTS
 
 
  A
B pa=43.2°
sep=20.22"
 
 
20268+1603 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202647.34+160303.5 Mag 8.4 Spectral class F2 (yellow-white)
PmRA 94.00 PmDE -41.0 Tycho2 1632-02129-1
Tycho2
Tycho2 1632-02129-1 Pflag RAmdeg 306.69729361 DEmdeg 16.05096766
PmRA 92.3 PmDE -41.6 E RAmdeg 7 E DEmdeg 7
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.10 EpDEm 1991.03
Num 7 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.7
Q pmDE 1.2 BTmag 8.821 E BTmag 0.018 VTmag 8.410
E VTmag 0.014 Prox 999 TYC T HIP
CCDM RAdeg 306.69707028 DEdeg 16.05106472 EpRA 1990 1.64
EpDE 1990 1.61 E RAdeg 6.8 E DEdeg 7.4 Posflg
Corr -0.2
 
 
20268+1603 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202648.30+160318.2 Mag 15.8 PmRA 98.00
PmDE -46.0 Calc delta mag 7.4 Calc coord yes