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Current system
20453+1715
GWP 2993


Nearby doubles
4' : 20456+1714
COU 425

15' : 20463+1715
GWP2995

17' : 20448+1730
BPM2252

23' : 20442+1731
BPM2241

29' : 20434+1712
J 845

32' : 20433+1728
J 3109

33' : 20435+1657
STF2720

33' : 20432+1728
LOS 9

35' : 20431+1705
BLL 51

36' : 20446+1642
BPM2246AB

38' : 20430+1734
BPM2236

40' : 20444+1752
UC 4276

41' : 20479+1732
BRT1348

42' : 20446+1635
BPM2248AB

48' : 20437+1635
BPM2237

51' : 20437+1800
LDS4857

52' : 20417+1716
BPM2230

53' : 20463+1624
BPM2257

62' : 20416+1738
J 3107

63' : 20466+1616
BPM2261

65' : 20485+1628
BPM2271

66' : 20499+1718
CBL 88

68' : 20408+1733
BPM2226

68' : 20500+1702
UC 4303

68' : 20409+1738
J 191

69' : 20500+1732
TDS1104



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

20453+1715 GWP 2993

 
 
20h 45m 20.72s +17° 15' 16.7" P.A. 104.00 sep 11.1 mag 11.40,16.80
 
 
Coord 2000 20453+1715 Discov num GWP2993 Comp Coord arcsec 2000 20 45 20.72 +17 15 16.7
Date first 1990 Date last 2018 Obs 7
Pa first 103 Pa last 104.4 P.A. Now (θ) 104.4°
Sep first 10.2 Sep last 11.05 Sep. Now (ρ) 11.05"
Mag pri 11.40 Mag sec 16.80 delta mag (ΔM) 5.4 Spectral class
Pri motion ra +064 Sec motion ra +066
Pri motion dec -024 Sec motion dec -024
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1811277254499534976
 
 
WDS 20453+1715 GWP 2993 : 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
20453+1715 GWP2993 1990 1 103 10.2 11.40 16.80 V R 204520.72+171516.7
20453+1715 GWP2993 2018 2 104 11.1 11.40 16.80 V R 204520.72+171516.7

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

 
 
WDS 20453+1715 GWP 2993 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20453+1715 GWP 2993 : MEASURES
 
 
No records found.

 
 
WDS 20453+1715 : VIRTUAL EYEPIECE
 
 

20453+1715 GWP2993A mag 11.4 20453+1715 GWP2993B sep 10.6 P.A. 105.00 mag 16.8 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 20453+1715 : ALADIN DSS IMAGE @ 20h 45m 20.72s +17° 15' 16.7"
 
 
 
 
WDS 20453+1715 GWP 2993 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20453+1715 GWP2993 distance=0' 20456+1714 COU 425 distance=4' 20463+1715 GWP2995 distance=15' 20448+1730 BPM2252 distance=17' 20442+1731 BPM2241 distance=23' 20434+1712 J 845 distance=29' 20433+1728 J 3109 distance=32' 20435+1657 STF2720 distance=33' 20432+1728 LOS 9 distance=33' 20431+1705 BLL 51 distance=35' 20446+1642 BPM2246AB distance=36' 20446+1642 BPM2247AC distance=36' 20430+1734 BPM2236 distance=38' 20444+1752 UC 4276 distance=40' 20479+1732 BRT1348 distance=41' 20446+1635 BPM2250BC distance=42' 20446+1635 BPM2248AB distance=42' 20446+1635 BPM2249AC distance=42' 20437+1635 BPM2237 distance=48' 20437+1800 LDS4857 distance=51' 20417+1716 BPM2230 distance=52' 20463+1624 BPM2257 distance=53' 20416+1738 J 3107 distance=62' 20466+1616 BPM2261 distance=63' 20485+1628 BPM2271 distance=65' 20499+1718 CBL 88 distance=66' 20408+1733 BPM2226 distance=68' 20500+1702 UC 4303 distance=68' 20409+1738 J 191 distance=68' 20500+1732 TDS1104 distance=69' 20501+1707 HEI 183 distance=70' 20467+1607 STF2727AB distance=71' 20467+1607 FYM 18AD distance=71' 20446+1605 BPM2245 distance=72' 20481+1616 SKF1770 distance=72' 20480+1816 BPM2268 distance=72' 20411+1631 FMR 161 distance=76' 20468+1602 BPM2264 distance=77' 20503+1649 TDT2571 distance=77' 20434+1604 HJ 1564 distance=77' 20508+1702 CVR 875 distance=79' 20420+1821 J 193 distance=81' 20503+1630 LDS1048AB distance=82' 20503+1630 LDS1048AC distance=82' 20462+1554 WSI 110Aa,Ab distance=82' 20462+1554 STF2725AB distance=82' 20400+1749 BPM2222 distance=84' 20481+1601 BPM2269 distance=85' 20415+1611 J 2319 distance=86' 20499+1811 UC 4302 distance=86' 20513+1647 J 3115 distance=90' 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 20453+1715 GWP2993 104 11.1
Show 20456+1714 COU 425 327 0.7 4
Show 20463+1715 GWP2995 257 8.3 15
Show 20448+1730 BPM2252 246 39.8 17
Show 20442+1731 BPM2241 344 107.2 23
Show 20434+1712 J 845 224 4.0 29
Show 20433+1728 J 3109 245 7.8 32
Show 20435+1657 STF2720 177 4.0 33
Show 20432+1728 LOS 9 116 2.8 33
Show 20431+1705 BLL 51 159 56.3 35
Show 20446+1642 BPM2246 AB 16 90.0 36
Show 20446+1642 BPM2247 AC 173 116.0 36
Show 20430+1734 BPM2236 331 95.7 38
Show 20444+1752 UC 4276 284 50.8 40
Show 20479+1732 BRT1348 123 5.7 41
Show 20446+1635 BPM2250 BC 332 117.2 42
Show 20446+1635 BPM2248 AB 95 107.8 42
Show 20446+1635 BPM2249 AC 29 107.0 42
Show 20437+1635 BPM2237 49 108.4 48
Show 20437+1800 LDS4857 128 52.4 51
Show 20417+1716 BPM2230 15 58.6 52
Show 20463+1624 BPM2257 337 107.8 53
Show 20416+1738 J 3107 119 6.0 62
Show 20466+1616 BPM2261 202 69.5 63
Show 20485+1628 BPM2271 127 97.8 65
Show 20499+1718 CBL 88 104 43.4 66
Show 20408+1733 BPM2226 226 107.2 68
Show 20500+1702 UC 4303 81 18.2 68
Show 20409+1738 J 191 166 1.3 68
Show 20500+1732 TDS1104 299 1.9 69
Show 20501+1707 HEI 183 25 0.5 70
Show 20467+1607 STF2727 AB 266 8.8 71
Show 20467+1607 FYM 18 AD 323 109.4 71
Show 20446+1605 BPM2245 198 112.1 72
Show 20481+1616 SKF1770 223 3.4 72
Show 20480+1816 BPM2268 54 74.1 72
Show 20411+1631 FMR 161 322 27.8 76
Show 20468+1602 BPM2264 222 107.2 77
Show 20503+1649 TDT2571 258 0.8 77
Show 20434+1604 HJ 1564 41 11.4 77
Show 20508+1702 CVR 875 72 20.3 79
Show 20420+1821 J 193 81 5.5 81
Show 20503+1630 LDS1048 AB 151 13.7 82
Show 20503+1630 LDS1048 AC 213 1.6 82
Show 20462+1554 WSI 110 Aa,Ab 343 0.0 82
Show 20462+1554 STF2725 AB 12 6.2 82
Show 20400+1749 BPM2222 294 86.5 84
Show 20481+1601 BPM2269 222 81.9 85
Show 20415+1611 J 2319 192 7.5 86
Show 20499+1811 UC 4302 172 82.1 86
Show 20513+1647 J 3115 321 7.1 90

 
 
WDS 20453+1715 : COMPONENTS
 
 
  A
B pa=105.0°
sep=10.58"
 
 
20453+1715 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204520.72+171516.7 Mag 11.4 PmRA 64.00
PmDE -24.0
 
 
20453+1715 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204521.43+171514.0 Mag 16.8 PmRA 66.00
PmDE -24.0 Calc delta mag 5.4 Calc coord yes