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Current system
18424+0040
HDZ 2
HD 172848


Nearby doubles
15' : 18418+0052
HJ 865

25' : 18425-0016
CVR 213

33' : 18409+0102
CON 36AB

33' : 18437-0014
A 858AB

35' : 18439-0013
A 859

39' : 18447-0100
HJ 5501

55' : 18394-0009
KPP 903

56' : 18394+0111
BAL1503

62' : 18462+0019
TDT1044

63' : 18387-0012
IPH 26

64' : 18465-0058
STF2379AB

70' : 18379-0023
STF2347

78' : 18456+0142
A 2262

92' : 18473+0136
TDT1055

98' : 18361+0017
IPH 25

98' : 18424+0218
BAL1969

102' : 18490+0018
A 2263

114' : 18349-0043
RST5119

116' : 18351+0003
RST5120

116' : 18395-0107
GWP2791

118' : 18457-0107
BAL 582

119' : 18481+0203
J 2530

120' : 18439+0237
STF2369

121' : 18432-0120
AOT 73

125' : 18386+0236
HJ 5500AB

133' : 18512-0037
A 860



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

18424+0040 HDZ 2 (HD 172848)

 
 
18h 42m 25.12s +00° 40' 13.7" P.A. 110.00 sep 11.8 mag 9.68,11.40 Sp A2
 
 
Coord 2000 18424+0040 Discov num HDZ   2 Comp Coord arcsec 2000 18 42 25.12 +00 40 13.7
Date first 1879 Date last 2016 Obs 17
Pa first 113 Pa last 109.5 P.A. Now (θ) 109.5°
Sep first 10.6 Sep last 11.823 Sep. Now (ρ) 11.823"
Mag pri 9.68 Mag sec 11.40 delta mag (ΔM) 1.72 Spectral class A2 (white)
Pri motion ra -001 Sec motion ra +006
Pri motion dec -009 Sec motion dec -011
Notes
rPM=0.581
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172848 Constellation Aquila Tycho2 0447-00028-1 Gaia DR2 4278701881196996864
HD 172848
 
 
WDS 18424+0040 HDZ 2 (HD 172848) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hdz1980 Ma - Hernandez, C.A. & Sahade, J. 1980PASP...92..819H
Hdz1980 PASP 92, 819, 1980
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18424+0040 HDZ 2 2001 9 110 11.8 9.68 11.40 A2 D 184225.12+004013.7
18424+0040 HDZ 2 2010 11 111 11.3 9.68 11.40 A2 184225.12+004013.7
18424+0040 HDZ 2 2015 12 110 11.8 9.68 11.40 A2 184225.12+004013.7
18424+0040 HDZ 2 2016 17 110 11.8 9.68 11.40 A2 184225.12+004013.7

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

 
 
WDS 18424+0040 HDZ 2 (HD 172848) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18424+0040 HDZ 2 (HD 172848) : MEASURES
 
 
No records found.

 
 
WDS 18424+0040 (HD 172848) : VIRTUAL EYEPIECE
 
 

18424+0040 HDZ 2A mag 9.68 Sp A2 18424+0040 HDZ 2B sep 11.8 P.A. 109.50 mag 11.4 virtual eyepiece
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Radius:
Components only
 
 
WDS 18424+0040 (HD 172848) : ALADIN DSS IMAGE @ 18h 42m 25.12s +00° 40' 13.7"
 
 
 
 
WDS 18424+0040 HDZ 2 (HD 172848) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18424+0040 HDZ 2 distance=1' 18418+0052 HJ 865 distance=15' 18425-0016 CVR 213 distance=25' 18409+0102 CON 36AB distance=33' 18409+0102 CON 36CD distance=33' 18437-0014 A 858AB distance=33' 18437-0014 AOT 74AB,C distance=33' 18439-0013 A 859 distance=35' 18447-0100 HJ 5501 distance=39' 18394-0009 KPP 903 distance=55' 18394+0111 BAL1503 distance=56' 18462+0019 TDT1044 distance=62' 18387-0012 IPH 26 distance=63' 18465-0058 MCA 53Aa,Ab distance=64' 18465-0058 STF2379AB distance=64' 18465-0058 STF2379AC distance=64' 18465-0058 STF2379BC distance=64' 18379-0023 STF2347 distance=70' 18456+0142 A 2262 distance=78' 18473+0136 TDT1055 distance=92' 18361+0017 IPH 25 distance=98' 18424+0218 BAL1969 distance=98' 18490+0018 A 2263 distance=102' 18349-0043 RST5119 distance=114' 18351+0003 RST5120 distance=116' 18395-0107 GWP2791 distance=116' 18457-0107 BAL 582 distance=118' 18481+0203 J 2530 distance=119' 18439+0237 STF2369 distance=120' 18432-0120 AOT 73 distance=121' 18386+0236 HJ 5500AB distance=125' 18386+0236 DAM 381AC distance=125' 18386+0236 SKF2135AD distance=125' 18512-0037 A 860 distance=133' 18333-0035 SKF2841 distance=137' 18449+0253 HEI 562 distance=139' 18374+0238 BU 1327 distance=140' 18366-0114 CON 35AB distance=144' 18366-0114 CON 35AC distance=144' 18410+0302 BU 1328 distance=144' 18380+0248 LDS5240 distance=144' 18484-0115 BAL 584 distance=146' 18388-0136 BAL 581 distance=147' 18325+0036 RST5450 distance=149' 18475-0128 KPP 712 distance=149' 18360+0234 STN 43 distance=150' 18406+0307 STF2361 distance=150' 18464+0259 BAL1970 distance=151' 18488-0120 BAL 585 distance=155' 18357+0239 TDT 950 distance=156' 18528+0006 BAL 895 distance=160' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 18424+0040 HDZ 2 110 11.8 1
Show 18418+0052 HJ 865 114 20.4 15
Show 18425-0016 CVR 213 89 75.6 25
Show 18409+0102 CON 36 AB 141 0.2 33
Show 18409+0102 CON 36 CD 281 2.2 33
Show 18437-0014 A 858 AB 245 0.9 33
Show 18437-0014 AOT 74 AB,C 303 25.5 33
Show 18439-0013 A 859 10 0.3 35
Show 18447-0100 HJ 5501 6 21.0 39
Show 18394-0009 KPP 903 134 7.5 55
Show 18394+0111 BAL1503 245 3.7 56
Show 18462+0019 TDT1044 4 0.5 62
Show 18387-0012 IPH 26 339 24.6 63
Show 18465-0058 MCA 53 Aa,Ab 95 0.0 64
Show 18465-0058 STF2379 AB 121 12.5 64
Show 18465-0058 STF2379 AC 155 21.8 64
Show 18465-0058 STF2379 BC 172 13.4 64
Show 18379-0023 STF2347 259 3.4 70
Show 18456+0142 A 2262 325 1.2 78
Show 18473+0136 TDT1055 89 0.4 92
Show 18361+0017 IPH 25 182 44.4 98
Show 18424+0218 BAL1969 279 21.4 98
Show 18490+0018 A 2263 103 1.5 102
Show 18349-0043 RST5119 125 2.8 114
Show 18351+0003 RST5120 209 0.2 116
Show 18395-0107 GWP2791 186 22.9 116
Show 18457-0107 BAL 582 321 12.4 118
Show 18481+0203 J 2530 232 1.4 119
Show 18439+0237 STF2369 25 0.3 120
Show 18432-0120 AOT 73 325 11.7 121
Show 18386+0236 HJ 5500 AB 40 84.0 125
Show 18386+0236 DAM 381 AC 228 14.2 125
Show 18386+0236 SKF2135 AD 238 54.4 125
Show 18512-0037 A 860 258 0.1 133
Show 18333-0035 SKF2841 333 36.4 137
Show 18449+0253 HEI 562 253 0.4 139
Show 18374+0238 BU 1327 174 13.6 140
Show 18366-0114 CON 35 AB 32 2.8 144
Show 18366-0114 CON 35 AC 37 7.9 144
Show 18410+0302 BU 1328 283 2.1 144
Show 18380+0248 LDS5240 6 3.3 144
Show 18484-0115 BAL 584 218 12.2 146
Show 18388-0136 BAL 581 125 3.9 147
Show 18325+0036 RST5450 253 0.7 149
Show 18475-0128 KPP 712 293 6.3 149
Show 18360+0234 STN 43 28 10.1 150
Show 18406+0307 STF2361 211 24.9 150
Show 18464+0259 BAL1970 253 2.8 151
Show 18488-0120 BAL 585 149 4.6 155
Show 18357+0239 TDT 950 262 0.5 156
Show 18528+0006 BAL 895 149 3.6 160

 
 
WDS 18424+0040 : COMPONENTS
 
 
  A
B pa=109.5°
sep=11.82"
 
 
18424+0040 A
 
 
Componente originario normalizzato AB Name HD 172848 Coord arcsec 2000 184225.12+004013.7 Mag 9.68
Spectral class A2 (white) PmRA -1.00 PmDE -9.0 Tycho2 0447-00028-1
HD 172848
Tycho2
Tycho2 0447-00028-1 Pflag RAmdeg 280.60470833 DEmdeg 0.67048746
PmRA 0.4 PmDE -8.5 E RAmdeg 10 E DEmdeg 12
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.00 EpDEm 1989.85
Num 8 Q RAmdeg 0.7 Q DEmdeg 1.1 Q pmRA 0.7
Q pmDE 1.1 BTmag 9.925 E BTmag 0.021 VTmag 9.683
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 280.60470694 DEdeg 0.67050750 EpRA 1990 1.77
EpDE 1990 1.69 E RAdeg 9.8 E DEdeg 11.9 Posflg
Corr -0.3
CCDM
Ccdm 18424+0040 RComp Comp A Note1
Note2 Discov num DRAs 1.03 DDEs 14.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp A2 PmNote *
PmRA -11 PmDE -5 Dm number +00 3996 Cat1 BD
Name2 +00 2242 Cat2 AGK2/3 HD 172848 M HD
ADS BDS B 8733 M ADS BDS N IDS IDS 18373N0034A
HIC
 
 
18424+0040 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184225.86+004009.8 Mag 11.4 PmRA 6.00
PmDE -11.0 Calc delta mag 1.72 Calc coord yes
CCDM
Ccdm 18424+0040 RComp Comp B Note1
Note2 Discov num HDZ DRAs DDEs
R dRAs Year 1879 Theta 110 Rho 11.7
Obs 5 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8733 M ADS BDS N IDS IDS 18373N0034B
HIC