18487+2053 RAS 27

 
 
18h 48m 40.44s +20° 53' 10.0" P.A. 218.00 sep 1.2 mag 9.30,13.00 Sp A1+G/K
 
 
Coord 2000 18487+2053 Discov num RAS  27 Comp Coord arcsec 2000 18 48 40.44 +20 53 10.0
Date first 2010 Date last 2016 Obs 2
Pa first 220 Pa last 218.4 P.A. Now (θ) 218.4°
Sep first 1.2 Sep last 1.173 Sep. Now (ρ) 1.173"
Mag pri 9.30 Mag sec 13.00 delta mag (ΔM) 3.7 Spectral class A1+G/K (white/yellow)
Pri motion ra +004 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 86456 Tycho2 1596-02623-1 Gaia DR2 4530829140220853120
HD 349321
 
 
WDS 18487+2053 RAS 27 : NOTES
 
 
discov_num notes refcode
RAS 27 Main component is poorly-studied silicon star, type A1; companion
late-G/early-K. Ras2014
 
 
REFERENCES
 
 
refcode metd author reference
Ras2014 S j Rastegaev, D.A., Balega, Y.Y., Dyachenko, V.V., Maksimov, A.F., & Malogolovets, E. 2014AstBu..69..296R
Ras2014 Astrophys. Bull. 69, 296, 2014
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18487+2053 RAS 27 2010 1 220 1.2 9.30 13.00 A1 G/K 184840.44+205310.0
18487+2053 RAS 27 2016 2 218 1.2 9.30 13.00 A1+G/K N 184840.44+205310.0

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WDS 18487+2053 RAS 27 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18487+2053 RAS 27 : MEASURES
 
 
No records found.

 
 
WDS 18487+2053 : VIRTUAL EYEPIECE
 
 

18487+2053 RAS  27A mag 9.3 Sp A1 18487+2053 RAS  27B sep 1.1 P.A. 216.50 mag 13 Sp G/K virtual eyepiece
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Radius:
Components only
 
 
WDS 18487+2053 : ALADIN DSS IMAGE @ 18h 48m 40.44s +20° 53' 10.0"
 
 
 
 
WDS 18487+2053 RAS 27 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18487+2053  RAS  27 distance=0' 18490+2110  STF2401AB distance=18' 18490+2110  STF2401AC distance=18' 18500+2043  HU  328 distance=22' 18482+2028  TDT1060 distance=26' 18509+2058  COU 317AB distance=32' 18509+2058  COU 317AC distance=32' 18498+2124  HU  327 distance=35' 18473+2125  GRV 239 distance=37' 18517+2041  J   809 distance=44' 18515+2117  TDT1091 distance=47' 18457+2033  HJ 2839AB distance=47' 18457+2033  HJ 2839AC distance=47' 18457+2033  HJ 2839AD distance=47' 18457+2033  HJ 2839AE distance=47' 18505+2002  KU  121 distance=58' 18498+2149  BRT2449 distance=58' 18527+2112  TDT1103 distance=60' 18528+2043  TDT1105 distance=60' 18474+1957  TDT1056 distance=60' 18523+2126  ISO   8 distance=60' 18443+2052  HU  325 distance=62' 18496+1953  MMA  28 distance=62' 18444+2015  ALD   4AB distance=65' 18444+2015  DAM 640AC distance=65' 18501+1952  TDT1079 distance=65' 18508+1954  KPP 426 distance=66' 18525+2007  TDT1101 distance=71' 18511+2200  TDT1086 distance=75' 18444+2003  GRV 238 distance=78' 18490+2213  GRV 241 distance=81' 18472+2213  JNN 119 distance=83' 18545+2037  STF2415 distance=84' 18490+2219  TDT1068 distance=86' 18523+2206  TDT1096 distance=89' 18425+2116  BRT2448 distance=91' 18489+1920  DCH 121 distance=94' 18515+2223  TDT1090 distance=99' 18430+1955  TDS 936 distance=99' 18542+2158  TDS 952 distance=101' 18412+2111  TDT 994 distance=107' 18443+2224  HU 1657 distance=110' 18529+1919  J   470 distance=112' 18469+2243  TDT1052 distance=113' 18426+2209  COU 208 distance=113' 18449+2234  HDS2655 distance=114' 18445+1913  J   466 distance=115' 18432+1928  BU  645 distance=115' 18442+2231  COU 209AB distance=116' 18442+2231  COU 209AC distance=116' 18567+2123  HDS2684 distance=116' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18487+2053 RAS 27 218 1.2
Show 18490+2110 STF2401 AB 38 4.1 18
Show 18490+2110 STF2401 AC 149 92.9 18
Show 18500+2043 HU 328 187 4.8 22
Show 18482+2028 TDT1060 175 0.6 26
Show 18509+2058 COU 317 AB 94 1.5 32
Show 18509+2058 COU 317 AC 2 17.3 32
Show 18498+2124 HU 327 60 0.3 35
Show 18473+2125 GRV 239 244 7.6 37
Show 18517+2041 J 809 211 1.6 44
Show 18515+2117 TDT1091 297 0.7 47
Show 18457+2033 HJ 2839 AB 57 74.8 47
Show 18457+2033 HJ 2839 AC 59 73.0 47
Show 18457+2033 HJ 2839 AD 336 25.4 47
Show 18457+2033 HJ 2839 AE 13 61.1 47
Show 18505+2002 KU 121 312 31.5 58
Show 18498+2149 BRT2449 229 3.9 58
Show 18527+2112 TDT1103 278 1.3 60
Show 18528+2043 TDT1105 12 0.6 60
Show 18474+1957 TDT1056 171 4.6 60
Show 18523+2126 ISO 8 138 0.2 60
Show 18443+2052 HU 325 6 0.4 62
Show 18496+1953 MMA 28 70 13.9 62
Show 18444+2015 ALD 4 AB 338 4.1 65
Show 18444+2015 DAM 640 AC 169 11.0 65
Show 18501+1952 TDT1079 295 1.3 65
Show 18508+1954 KPP 426 97 4.6 66
Show 18525+2007 TDT1101 117 0.6 71
Show 18511+2200 TDT1086 117 0.6 75
Show 18444+2003 GRV 238 345 36.6 78
Show 18490+2213 GRV 241 175 27.1 81
Show 18472+2213 JNN 119 270 0.4 83
Show 18545+2037 STF2415 290 2.0 84
Show 18490+2219 TDT1068 15 0.5 86
Show 18523+2206 TDT1096 313 1.6 89
Show 18425+2116 BRT2448 294 3.8 91
Show 18489+1920 DCH 121 10 0.4 94
Show 18515+2223 TDT1090 306 0.8 99
Show 18430+1955 TDS 936 157 2.0 99
Show 18542+2158 TDS 952 70 1.1 101
Show 18412+2111 TDT 994 27 0.7 107
Show 18443+2224 HU 1657 244 0.3 110
Show 18529+1919 J 470 310 3.4 112
Show 18469+2243 TDT1052 77 0.5 113
Show 18426+2209 COU 208 304 0.3 113
Show 18449+2234 HDS2655 196 0.3 114
Show 18445+1913 J 466 214 2.9 115
Show 18432+1928 BU 645 305 9.3 115
Show 18442+2231 COU 209 AB 38 2.1 116
Show 18442+2231 COU 209 AC 204 39.8 116
Show 18567+2123 HDS2684 350 0.6 116

 
 
WDS 18487+2053 : COMPONENTS
 
 
  A
B pa=216.5°
sep=1.14"
 
 
18487+2053 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184840.44+205310.0 Mag 9.3 Spectral class A1 (white)
PmRA 4.00 PmDE -5.0 SAO 86456 Tycho2 1596-02623-1
HD 349321 DM BD+20 3943
Tycho2
Tycho2 1596-02623-1 Pflag RAmdeg 282.16852716 DEmdeg 20.88614046
PmRA 3.6 PmDE -5.2 E RAmdeg 9 E DEmdeg 9
E pmRA 1.0 E pmDE 0.9 EpRAm 1990.31 EpDEm 1990.26
Num 10 Q RAmdeg 0.6 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.1 BTmag 9.294 E BTmag 0.018 VTmag 9.333
E VTmag 0.018 Prox 999 TYC T HIP
CCDM RAdeg 282.16851806 DEdeg 20.88615250 EpRA 1990 1.64
EpDE 1990 1.73 E RAdeg 9.3 E DEdeg 8.9 Posflg
Corr 0.2
SAO
SAO 86456 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 0 Vmag 9 SpType A2
Double code Source 35 CatNum 6670 DM BD+20 3943
DMcomp BDsup HD 349321 M HD 0
GC RA1950rad 4.91539717 DE1950rad 0.36353192 PmRA2000 -0.0001
PmDE2000 0
 
 
18487+2053 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184840.39+205309.1 Mag 13 Spectral class G/K (yellow)
Calc delta mag 3.7 Calc coord yes