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Current system
20488+1248
GWP 3000


Nearby doubles
8' : 20492+1243
GWP3001

19' : 20499+1255
HJ 1577

20' : 20496+1233
BU 1495AB

21' : 20502+1246
J 3277

26' : 20486+1223
BPM2273

27' : 20471+1257
BPM2265

37' : 20503+1317
BPM2279

37' : 20496+1322
TDT2565

37' : 20498+1321
HJ 1578

43' : 20460+1235
KPP 477

45' : 20497+1331
BPM2277

48' : 20457+1302
WFC 258

55' : 20523+1304
GRV 390

56' : 20450+1244
BU 64AB

57' : 20466+1334
GWP2996

63' : 20467+1343
BPM2262

64' : 20449+1219
STF2723AB

65' : 20519+1203
J 3245

66' : 20446+1312
TDS1098

68' : 20516+1340
TDT2583

71' : 20440+1256
DAM 218

71' : 20441+1258
J 1889

72' : 20440+1225
HJ 1566AB

72' : 20524+1200
GWP3008

73' : 20439+1255
J 1888

75' : 20484+1134
BPM2270



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

20488+1248 GWP 3000

 
 
20h 48m 46.14s +12° 47' 52.3" P.A. 280.00 sep 24.1 mag 14.90,17.10
 
 
Coord 2000 20488+1248 Discov num GWP3000 Comp Coord arcsec 2000 20 48 46.14 +12 47 52.3
Date first 1990 Date last 2016 Obs 9
Pa first 279 Pa last 280.4 P.A. Now (θ) 280.4°
Sep first 24.4 Sep last 24.118 Sep. Now (ρ) 24.118"
Mag pri 14.90 Mag sec 17.10 delta mag (ΔM) 2.2 Spectral class
Pri motion ra -010 Sec motion ra -016
Pri motion dec -040 Sec motion dec -050
Notes V (Proper motion indicates physical)
rPM=0.222 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1761019604489982208
 
 
WDS 20488+1248 GWP 3000 : 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
20488+1248 GWP3000 1998 2 281 24.1 14.90 17.10 V 204846.14+124752.3
20488+1248 GWP3000 2010 3 280 24.1 14.90 17.10 V 204846.14+124752.3
20488+1248 GWP3000 2015 4 280 24.1 14.90 17.10 V 204846.14+124752.3
20488+1248 GWP3000 2016 9 280 24.1 14.90 17.10 V 204846.14+124752.3

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

 
 
WDS 20488+1248 GWP 3000 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20488+1248 GWP 3000 : MEASURES
 
 
No records found.

 
 
WDS 20488+1248 : VIRTUAL EYEPIECE
 
 

20488+1248 GWP3000A mag 14.9 20488+1248 GWP3000B sep 23.5 P.A. 280.70 mag 17.1 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 20488+1248 : ALADIN DSS IMAGE @ 20h 48m 46.14s +12° 47' 52.3"
 
 
 
 
WDS 20488+1248 GWP 3000 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20488+1248 GWP3000 distance=0' 20492+1243 GWP3001 distance=8' 20499+1255 HJ 1577 distance=19' 20496+1233 BU 1495AB distance=20' 20496+1233 BU 1495AC distance=20' 20496+1233 BU 1495AD distance=20' 20502+1246 J 3277 distance=21' 20486+1223 BPM2273 distance=26' 20471+1257 BPM2265 distance=27' 20503+1317 BPM2279 distance=37' 20496+1322 TDT2565 distance=37' 20498+1321 HJ 1578 distance=37' 20460+1235 KPP 477 distance=43' 20497+1331 BPM2277 distance=45' 20457+1302 WFC 258 distance=48' 20523+1304 GRV 390 distance=55' 20450+1244 D 32CD distance=55' 20450+1244 BU 64AB distance=56' 20450+1244 STTA209AC distance=56' 20450+1244 BU 64AD distance=56' 20466+1334 GWP2996 distance=57' 20467+1343 BPM2262 distance=63' 20449+1219 B 2910Aa,Ab distance=64' 20449+1219 STF2723AB distance=64' 20449+1219 BU 1492AC distance=64' 20519+1203 J 3245 distance=65' 20446+1312 TDS1098 distance=66' 20516+1340 TDT2583 distance=68' 20440+1256 DAM 218 distance=71' 20441+1258 J 1889 distance=71' 20440+1225 HJ 1566AB distance=72' 20440+1225 HJ 1566AC distance=72' 20524+1200 GWP3008 distance=72' 20439+1255 J 1888 distance=73' 20484+1134 BPM2270 distance=75' 20446+1333 YSC 242AB distance=76' 20481+1404 UC 4293 distance=77' 20442+1209 BPM2240 distance=78' 20444+1205 A 875 distance=78' 20487+1407 LIT 34 distance=80' 20541+1306 STF2734 distance=80' 20446+1154 BPM2251 distance=82' 20523+1144 BPM2284 distance=83' 20465+1131 BPM2258 distance=84' 20524+1353 BPM2285 distance=84' 20438+1330 BPM2238 distance=85' 20494+1124 J 194AB distance=85' 20494+1124 J 194AB,C distance=85' 20528+1351 UC 4315AB distance=87' 20428+1244 BPM2234 distance=88' 20478+1119 HJ 271 distance=89' 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 20488+1248 GWP3000 280 24.1
Show 20492+1243 GWP3001 126 94.3 8
Show 20499+1255 HJ 1577 245 9.4 19
Show 20496+1233 BU 1495 AB 19 52.1 20
Show 20496+1233 BU 1495 AC 86 105.5 20
Show 20496+1233 BU 1495 AD 276 189.6 20
Show 20502+1246 J 3277 326 4.1 21
Show 20486+1223 BPM2273 132 52.3 26
Show 20471+1257 BPM2265 51 16.1 27
Show 20503+1317 BPM2279 146 89.2 37
Show 20496+1322 TDT2565 136 1.4 37
Show 20498+1321 HJ 1578 311 11.5 37
Show 20460+1235 KPP 477 52 4.5 43
Show 20497+1331 BPM2277 190 94.4 45
Show 20457+1302 WFC 258 284 11.7 48
Show 20523+1304 GRV 390 107 42.6 55
Show 20450+1244 D 32 CD 15 60.8 55
Show 20450+1244 BU 64 AB 174 0.7 56
Show 20450+1244 STTA209 AC 155 97.2 56
Show 20450+1244 BU 64 AD 117 64.3 56
Show 20466+1334 GWP2996 157 54.2 57
Show 20467+1343 BPM2262 331 74.6 63
Show 20449+1219 B 2910 Aa,Ab 52 0.1 64
Show 20449+1219 STF2723 AB 140 1.0 64
Show 20449+1219 BU 1492 AC 30 37.0 64
Show 20519+1203 J 3245 249 3.8 65
Show 20446+1312 TDS1098 279 0.9 66
Show 20516+1340 TDT2583 98 0.6 68
Show 20440+1256 DAM 218 342 5.7 71
Show 20441+1258 J 1889 10 4.6 71
Show 20440+1225 HJ 1566 AB 16 16.9 72
Show 20440+1225 HJ 1566 AC 331 32.4 72
Show 20524+1200 GWP3008 252 11.1 72
Show 20439+1255 J 1888 158 10.0 73
Show 20484+1134 BPM2270 197 117.4 75
Show 20446+1333 YSC 242 AB 157 1.5 76
Show 20481+1404 UC 4293 5 14.4 77
Show 20442+1209 BPM2240 148 55.1 78
Show 20444+1205 A 875 208 2.5 78
Show 20487+1407 LIT 34 206 9.5 80
Show 20541+1306 STF2734 227 24.4 80
Show 20446+1154 BPM2251 51 84.7 82
Show 20523+1144 BPM2284 252 115.9 83
Show 20465+1131 BPM2258 45 78.9 84
Show 20524+1353 BPM2285 88 101.7 84
Show 20438+1330 BPM2238 50 66.9 85
Show 20494+1124 J 194 AB 299 0.6 85
Show 20494+1124 J 194 AB,C 17 11.6 85
Show 20528+1351 UC 4315 AB 157 14.6 87
Show 20428+1244 BPM2234 331 93.5 88
Show 20478+1119 HJ 271 109 7.8 89

 
 
WDS 20488+1248 : COMPONENTS
 
 
  A
B pa=280.7°
sep=23.54"
 
 
20488+1248 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204846.14+124752.3 Mag 14.9 PmRA -10.00
PmDE -40.0
 
 
20488+1248 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204844.56+124756.7 Mag 17.1 PmRA -16.00
PmDE -50.0 Calc delta mag 2.2 Calc coord yes