13297-2317 HO 381 (R Hya)

 
 
13h 29m 42.82s -23° 16' 52.9" P.A. 323.00 sep 21.1 mag 6.40,12.00 Sp M7IIIe dist. 124.22 pc (405.21 l.y.)
 
 
Coord 2000 13297-2317 Discov num HO  381 Comp Coord arcsec 2000 13 29 42.82 -23 16 52.9
Date first 1891 Date last 2016 Obs 15
Pa first 323 Pa last 323 P.A. Now (θ) 323°
Sep first 21.2 Sep last 21.123 Sep. Now (ρ) 21.123"
Mag pri 6.40 Mag sec 12.00 delta mag (ΔM) 5.6 Spectral class M7IIIe (red)
Pri motion ra -021 Sec motion ra -008
Pri motion dec -050 Sec motion dec +003
Notes N S (See Notes, Parallax indidates non-physical)
rPM=1.006
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name R Hya Constellation Hydra SAO 181695 HIP 65835
Tycho2 6713-00024-1 Gaia DR2 6195030801635265152 HD 117287 HR 5080
GC 18239 ADS 8920 BD BD-22 3601 CD CD-22 9961
Distance 124.22 Distance ly 405.21
 
 
WDS 13297-2317 HO 381 (R Hya) : NOTES
 
 
discov_num notes refcode
HO 381 A is a Mira-type variable, R Hya.
A has a magnitude range of 3 to 11 with a period of 388.0 days.
B has a B-V (U-B) color of 1.04 (0.97) Egg1971
 
 
REFERENCES
 
 
refcode metd author reference
Egg1971 mag - Eggen, O.J. 1971ApJ...165..317E
Egg1971 ApJ 165, 317, 1971
 
 
DISCOVERER
 
 
idgroup discov author
1 HO Hough, G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13297-2317 HO 381 2003 11 313 21.6 6.40 12.00 M7IIIe N 132942.82-231652.9
13297-2317 HO 381 2016 14 323 21.1 6.40 12.00 M7IIIe NS 132942.82-231652.9

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WDS 13297-2317 HO 381 (R Hya) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13297-2317 HO 381 (R Hya) : MEASURES
 
 
No records found.

 
 
WDS 13297-2317 (R Hya) : VIRTUAL EYEPIECE
 
 

13297-2317 HO  381A mag 6.4 Sp M7IIIe 13297-2317 HO  381B sep 20.5 P.A. 325.30 mag 12 virtual eyepiece
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Radius:
Components only
 
 
WDS 13297-2317 (R Hya) : ALADIN DSS IMAGE @ 13h 29m 42.82s -23° 16' 52.9"
 
 
 
 
WDS 13297-2317 HO 381 (R Hya) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


13297-2317  HO  381 distance=0' 13307-2327  HJ 2655 distance=18' 13286-2306  HDS1887 distance=20' 13305-2339  HO  540 distance=25' 13321-2258  HJ 4593 distance=39' 13306-2353  BRT1488 distance=39' 13263-2315  STN  30 distance=48' 13257-2255  AHD9023 distance=60' 13271-2222  BU 1107 distance=66' 13267-2418  BGH   6 distance=71' 13239-2346  ARA2185 distance=86' 13242-2228  B  2314 distance=91' 13232-2252  DON 599 distance=93' 13321-2450  B   251 distance=99' 13225-2257  ARG  26AB distance=101' 13225-2257  SHY 618AC distance=101' 13274-2138  LDS6278 distance=103' 13372-2337  TOK 852AB distance=105' 13220-2250  BU 1435 distance=109' 13336-2142  LDS4376 distance=110' 13377-2337  RST2856AB distance=112' 13333-2458  BRT3002 distance=113' 13263-2132  UC 2536 distance=115' 13252-2138  ARA1485 distance=117' 13214-2248  HU 1503 distance=119' 13382-2341  LDS4385AB distance=120' 13382-2341  TOK 404Aa,Ab distance=120' 13252-2127  JAO   7 distance=127' 13385-2242  UC 2575AB distance=127' 13214-2441  BRT2999AB distance=143' 13200-2226  TDS 702 distance=144' 13212-2446  RST2842 distance=147' 13189-2310  SMY   3 distance=149' 13406-2313  KPP1993 distance=150' 13389-2442  UC 2576 distance=153' 13391-2153  TDS8918 distance=155' 13399-2212  DON1105 distance=155' 13327-2045  TDS8869 distance=158' 13180-2330  I   920 distance=162' 13240-2055  BU  610 distance=163' 13415-2327  FIN 352AB distance=163' 13415-2327  HJ 4606AB,C distance=163' 13240-2044  TDS8812 distance=172' 13270-2608  KPP 669 distance=175' 13318-2611  TDS8863 distance=177' 13284-2613  LDS4366 distance=178' 13270-2021  DAM 599BC distance=180' 13270-2021  B  2751AB distance=180' 13272-2020  B  1739 distance=181' 13254-2024  B  2017 distance=183' 13410-2142  B  2319 distance=184' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 13297-2317 HO 381 323 21.1
Show 13307-2327 HJ 2655 270 11.4 18
Show 13286-2306 HDS1887 321 0.2 20
Show 13305-2339 HO 540 186 14.1 25
Show 13321-2258 HJ 4593 272 26.8 39
Show 13306-2353 BRT1488 22 3.9 39
Show 13263-2315 STN 30 352 1.4 48
Show 13257-2255 AHD9023 109 22.5 60
Show 13271-2222 BU 1107 131 1.5 66
Show 13267-2418 BGH 6 268 319.0 71
Show 13239-2346 ARA2185 234 9.0 86
Show 13242-2228 B 2314 31 7.6 91
Show 13232-2252 DON 599 128 1.7 93
Show 13321-2450 B 251 221 1.6 99
Show 13225-2257 ARG 26 AB 80 27.5 101
Show 13225-2257 SHY 618 AC 238 999.9 101
Show 13274-2138 LDS6278 106 138.6 103
Show 13372-2337 TOK 852 AB 339 0.3 105
Show 13220-2250 BU 1435 285 6.0 109
Show 13336-2142 LDS4376 43 18.3 110
Show 13377-2337 RST2856 AB 286 0.4 112
Show 13333-2458 BRT3002 56 4.6 113
Show 13263-2132 UC 2536 340 31.2 115
Show 13252-2138 ARA1485 291 13.8 117
Show 13214-2248 HU 1503 202 1.5 119
Show 13382-2341 LDS4385 AB 314 28.2 120
Show 13382-2341 TOK 404 Aa,Ab 208 0.1 120
Show 13252-2127 JAO 7 162 68.9 127
Show 13385-2242 UC 2575 AB 212 42.5 127
Show 13214-2441 BRT2999 AB 169 4.8 143
Show 13200-2226 TDS 702 196 1.1 144
Show 13212-2446 RST2842 315 1.6 147
Show 13189-2310 SMY 3 98 127.8 149
Show 13406-2313 KPP1993 320 15.8 150
Show 13389-2442 UC 2576 214 48.8 153
Show 13391-2153 TDS8918 80 0.8 155
Show 13399-2212 DON1105 91 5.6 155
Show 13327-2045 TDS8869 266 0.5 158
Show 13180-2330 I 920 216 1.4 162
Show 13240-2055 BU 610 18 4.3 163
Show 13415-2327 FIN 352 AB 131 0.3 163
Show 13415-2327 HJ 4606 AB,C 345 31.0 163
Show 13240-2044 TDS8812 289 0.4 172
Show 13270-2608 KPP 669 196 6.0 175
Show 13318-2611 TDS8863 273 0.4 177
Show 13284-2613 LDS4366 275 11.9 178
Show 13270-2021 DAM 599 BC 165 11.4 180
Show 13270-2021 B 2751 AB 108 16.0 180
Show 13272-2020 B 1739 292 3.2 181
Show 13254-2024 B 2017 253 1.4 183
Show 13410-2142 B 2319 273 0.6 184

 
 
WDS 13297-2317 : COMPONENTS
 
 
  A
B pa=325.3°
sep=20.52"
 
 
13297-2317 A
 
 
Componente originario normalizzato AB Var name R Hya Coord arcsec 2000 132942.82-231652.9 Mag 6.4
Spectral class M7IIIe (red) PmRA -21.00 PmDE -50.0 SAO 181695
HIP 65835 Tycho2 6713-00024-1 HD 117287 HR 5080
GC 18239 BD BD-22 3601 CD CD-22 9961
Tycho2
Tycho2 6713-00024-1 Pflag RAmdeg 202.42826686 DEmdeg -23.28132721
PmRA -57.0 PmDE 12.6 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 0.9 EpRAm 1990.76 EpDEm 1990.45
Num 18 Q RAmdeg 1.8 Q DEmdeg 1.6 Q pmRA 1.8
Q pmDE 1.7 BTmag 7.988 E BTmag 0.017 VTmag 6.520
E VTmag 0.010 Prox 999 TYC T HIP 65835
CCDM RAdeg 202.42841306 DEdeg -23.28135833 EpRA 1990 1.54
EpDE 1990 1.18 E RAdeg 4.5 E DEdeg 5.1 Posflg
Corr 0.1
SAO
SAO 181695 DelFlag RA1950 PmRA1950 -0.0041
DE1950 PmDE1950 0.011 Vmag 3.5 SpType M7e
Double code Source 70 CatNum 18239 DM BD-22 3601
DMcomp BDsup HD 117287 M HD 0
GC 18239 RA1950rad 3.52109137 DE1950rad -0.40183546 PmRA2000 -0.004
PmDE2000 0.016
Hipparcos
Catalog H HIP 65835 Proxy RAhms 13 29 42.82
DEdms -23 16 52.9 Vmag 6.4 VarFlag 3 R Vmag H
RAdeg 202.428 DEdeg -23.2814 AstroRef * Plx 1.62
CCDM 13297-2317 N CCDM I Nsys 1 Ncomp 1
MultFlag V Source Qual M HIP
Theta Rho HD 117287 BD BD-22 3601
CD CD-22 9961 CP Dm number -22 3601 VIred 4.27
SpType M6/M7e R SpType Coord arcsec 2000 132942.82-231652.9
Hipparcos 2
HIP 65835 Sn 1 So 5 Nc 1
RArad 3.5330422611 DErad -0.4063363437 Plx 8.05 PmRA -57.68
PmDE 12.86 E RArad 0.65 E DErad 0.46 E Plx 0.69
E pmRA 0.92 E pmDE 0.51 Hpmag 5.4789 E Hpmag 0.2487
SHp 1.199 VA 1 BV 1.317 E BV 0.254
VI 4.71
CCDM
Ccdm 13297-2317 RComp Comp A Note1
Note2 Discov num DRAs 0.79 DDEs 7.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag Sp M8 PmNote *
PmRA -56 PmDE 11 Dm number -22 3601 Cat1 BD
Name2 181695 Cat2 SAO HD 117287 M HD
ADS BDS A 8920 M ADS BDS N IDS IDS 13242S2246A
HIC 65835
 
 
13297-2317 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 132941.97-231636.0 Mag 12 PmRA -8.00
PmDE 3.0 Calc delta mag 5.6 Calc coord yes
CCDM
Ccdm 13297-2317 RComp Comp B Note1
Note2 Discov num HO 381 DRAs -0.14 DDEs 24.5
R dRAs 90 Year 1891 Theta 324 Rho 21.2
Obs 6 Vmag 12.0 Sp PmNote
PmRA -56 PmDE 11 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8920 M ADS BDS N N IDS IDS 13242S2246B
HIC