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Current system
18481+1656
BPM 834


Nearby doubles
9' : 18476+1655
J 2678

11' : 18472+1655
ARN 75

23' : 18466+1659
STF2385AB

28' : 18463+1659
HEI 260

28' : 18461+1655
HEI 259

30' : 18478+1725
BPM 832

30' : 18498+1639
BPM 853

30' : 18464+1641
HEI 261

36' : 18497+1629
BRT1311

42' : 18496+1621
BPM 849

43' : 18489+1615
STF2400AB

44' : 18503+1626
BPM 859

46' : 18500+1733
BPM 855

50' : 18515+1700
BPMA 65

55' : 18504+1739
KPP 859

57' : 18520+1705
COU 720

59' : 18481+1557
BPM 835

62' : 18502+1603
RAO 399

62' : 18521+1635
BPM 871

64' : 18456+1604
BPM 820

66' : 18525+1644
BPM 875

68' : 18449+1606
HEI 173

68' : 18487+1803
BPM 840

69' : 18509+1751
BPM 867

71' : 18504+1554
BPM 860

71' : 18473+1806
DAM 352



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

18481+1656 BPM 834

 
 
18h 48m 04.78s +16° 56' 04.9" P.A. 51.00 sep 119.5 mag 12.81,15.85
 
 
Coord 2000 18481+1656 Discov num BPM 834 Comp Coord arcsec 2000 18 48 04.78 +16 56 04.9
Date first 1992 Date last 2015 Obs 9
Pa first 51 Pa last 51.3 P.A. Now (θ) 51.3°
Sep first 119.2 Sep last 119.464 Sep. Now (ρ) 119.464"
Mag pri 12.81 Mag sec 15.85 delta mag (ΔM) 3.04 Spectral class
Pri motion ra -013 Sec motion ra -003
Pri motion dec -010 Sec motion dec -011
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.613
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4511257004307514624
 
 
WDS 18481+1656 BPM 834 : NOTES
 
 
discov_num notes refcode
BPM 834 [PM2000] 1580332 + [PM2000] 1581229. Gvr2010
 
 
REFERENCES
 
 
refcode metd author reference
Gvr2010 Pa - Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C. 2010A&A...521A 4G
Gvr2010 +T A&A 521, A4, 2010
Gvr2010 (Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010 catalogs, spanning years ~1900-2000)
 
 
DISCOVERER
 
 
idgroup discov author
1 BPM Bordeaux PM2000 catalogue (main catalog: separation < 2')
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18481+1656 BPM 834 1999 2 51 119.1 12.81 15.85 NV 184804.78+165604.9
18481+1656 BPM 834 2001 3 51 119.3 12.81 15.85 NV 184804.78+165604.9
18481+1656 BPM 834 2010 4 51 119.3 12.81 15.85 NV 184804.78+165604.9
18481+1656 BPM 834 2015 5 51 119.4 12.81 15.85 NV 184804.78+165604.9

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

 
 
WDS 18481+1656 BPM 834 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18481+1656 BPM 834 : MEASURES
 
 
No records found.

 
 
WDS 18481+1656 : VIRTUAL EYEPIECE
 
 

18481+1656 BPM 834A mag 12.81 18481+1656 BPM 834B sep 116.3 P.A. 50.10 mag 15.85 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18481+1656 : ALADIN DSS IMAGE @ 18h 48m 04.78s +16° 56' 04.9"
 
 
 
 
WDS 18481+1656 BPM 834 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18481+1656 BPM 834 distance=0' 18476+1655 J 2678 distance=9' 18472+1655 ARN 75 distance=11' 18466+1659 STF2385AB distance=23' 18466+1659 MAD 10AC distance=23' 18463+1659 HEI 260 distance=28' 18461+1655 HEI 259 distance=28' 18478+1725 BPM 832 distance=30' 18498+1639 BPM 853 distance=30' 18464+1641 HEI 261 distance=30' 18497+1629 BRT1311 distance=36' 18496+1621 BPM 849 distance=42' 18489+1615 STF2400AB distance=43' 18489+1615 STF2400AD distance=43' 18489+1615 STF2400AC distance=43' 18489+1615 STF2400A,BC distance=43' 18489+1615 STF2400BC distance=43' 18503+1626 BPM 859 distance=44' 18500+1733 BPM 855 distance=46' 18515+1700 BPMA 65 distance=50' 18504+1739 KPP 859 distance=55' 18520+1705 COU 720 distance=57' 18481+1557 BPM 835 distance=59' 18502+1603 RAO 399 distance=62' 18521+1635 BPM 871 distance=62' 18456+1604 BPM 820 distance=64' 18525+1644 BPM 875 distance=66' 18449+1606 HEI 173 distance=68' 18487+1803 BPM 840 distance=68' 18509+1751 BPM 867 distance=69' 18504+1554 BPM 860 distance=71' 18473+1806 DAM 352 distance=71' 18484+1542 BPMA 61 distance=74' 18470+1811 ENG 64BC distance=76' 18470+1811 ABH 103BE distance=76' 18470+1811 ABH 103BF distance=76' 18470+1811 ABH 103BG distance=76' 18470+1811 ABH 103BH distance=76' 18470+1811 ABH 103BI distance=76' 18470+1811 SMA 80CD distance=77' 18470+1811 ENG 64AB distance=77' 18470+1811 ENG 64AD distance=77' 18470+1811 ENG 64AC distance=77' 18470+1811 ENG 64DJ distance=77' 18517+1600 BPM 870 distance=77' 18470+1541 GII 5 distance=77' 18477+1539 BPM 831 distance=78' 18495+1811 HDS2668 distance=78' 18468+1812 DAM 351 distance=79' 18492+1813 SMA 81AB distance=79' 18492+1813 DAM 353AC distance=79' 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 18481+1656 BPM 834 51 119.5
Show 18476+1655 J 2678 27 5.4 9
Show 18472+1655 ARN 75 26 65.3 11
Show 18466+1659 STF2385 AB 30 5.5 23
Show 18466+1659 MAD 10 AC 26 71.9 23
Show 18463+1659 HEI 260 301 2.2 28
Show 18461+1655 HEI 259 248 1.9 28
Show 18478+1725 BPM 832 244 111.2 30
Show 18498+1639 BPM 853 163 102.8 30
Show 18464+1641 HEI 261 102 2.4 30
Show 18497+1629 BRT1311 204 4.3 36
Show 18496+1621 BPM 849 245 101.4 42
Show 18489+1615 STF2400 AB 159 9.7 43
Show 18489+1615 STF2400 AD 157 0.4 43
Show 18489+1615 STF2400 AC 161 10.9 43
Show 18489+1615 STF2400 A,BC 160 11.0 43
Show 18489+1615 STF2400 BC 201 1.0 43
Show 18503+1626 BPM 859 264 110.0 44
Show 18500+1733 BPM 855 290 63.8 46
Show 18515+1700 BPMA 65 297 191.5 50
Show 18504+1739 KPP 859 12 7.3 55
Show 18520+1705 COU 720 194 4.5 57
Show 18481+1557 BPM 835 272 105.6 59
Show 18502+1603 RAO 399 140 2.8 62
Show 18521+1635 BPM 871 188 76.6 62
Show 18456+1604 BPM 820 18 61.6 64
Show 18525+1644 BPM 875 352 114.0 66
Show 18449+1606 HEI 173 305 3.7 68
Show 18487+1803 BPM 840 103 103.0 68
Show 18509+1751 BPM 867 187 46.3 69
Show 18504+1554 BPM 860 174 80.3 71
Show 18473+1806 DAM 352 202 11.4 71
Show 18484+1542 BPMA 61 54 281.7 74
Show 18470+1811 ENG 64 BC 296 33.8 76
Show 18470+1811 ABH 103 BE 288 85.9 76
Show 18470+1811 ABH 103 BF 263 112.5 76
Show 18470+1811 ABH 103 BG 136 63.8 76
Show 18470+1811 ABH 103 BH 325 92.9 76
Show 18470+1811 ABH 103 BI 246 139.9 76
Show 18470+1811 SMA 80 CD 313 18.4 77
Show 18470+1811 ENG 64 AB 241 113.7 77
Show 18470+1811 ENG 64 AD 258 143.8 77
Show 18470+1811 ENG 64 AC 252 135.8 77
Show 18470+1811 ENG 64 DJ 253 132.4 77
Show 18517+1600 BPM 870 335 90.7 77
Show 18470+1541 GII 5 102 8.3 77
Show 18477+1539 BPM 831 340 117.9 78
Show 18495+1811 HDS2668 60 0.4 78
Show 18468+1812 DAM 351 193 9.2 79
Show 18492+1813 SMA 81 AB 338 21.9 79
Show 18492+1813 DAM 353 AC 118 6.3 79

 
 
WDS 18481+1656 : COMPONENTS
 
 
  A
B pa=50.1°
sep=116.33"
 
 
18481+1656 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184804.78+165604.9 Mag 12.81 PmRA -13.00
PmDE -10.0
 
 
18481+1656 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184811.00+165719.6 Mag 15.85 PmRA -3.00
PmDE -11.0 Calc delta mag 3.04 Calc coord yes