10021-5459 DUN 83 (HD 87254)

10^h 02^m 05.73^s -54° 58' 53.9" P.A. 227.00 sep 113.9 mag 7.88,7.89 Sp K2III+B8V dist. 180.51 pc (588.82 l.y.)

Coord 2000	10021-5459	Discov num	DUN 83	Comp		Coord arcsec 2000	10 02 05.73 -54 58 53.9
Date first	1837	Date last	2015	Obs	20
Pa first	223	Pa last	226.6	P.A. Now (θ)	226.6°
Sep first	109.5	Sep last	113.864	Sep. Now (ρ)	113.864"
Mag pri	7.88	Mag sec	7.89	delta mag (ΔM)	0.01	Spectral class	K2III+B8V (yellow-orange/blue-white)
Pri motion ra	+049	Sec motion ra	-012
Pri motion dec	-012	Sec motion dec	+002
Notes	N (See Notes)

rPM=1.241

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 87254	Constellation	Vela	SAO	237622	HIP	49171
Tycho2	8603-00132-1	Gaia DR2	5260124688857959040	HD	87254	GC	13805
CP	CP-54 3043	Distance	180.51	Distance ly	588.82

WDS 10021-5459 DUN 83 (HD 87254) : NOTES

discov_num	notes	refcode
DUN 83	B is CPD-54@3041.

REFERENCES

refcode	metd	author	reference
Dun1829	Ma -	Dunlop, J.	1829MmRAS...3..257D
Dun1829		MemRAS 3, 257, 1829
Dun1829		some measures corrected in LRR2022

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
10021-5459	DUN 83		2000	16	227	113.6	7.88	7.89	K2III+B8V	N D	100205.73-545853.9
10021-5459	DUN 83		2010	18	227	114.0	7.88	7.89	K2III+B8V	N	100205.73-545853.9
10021-5459	DUN 83		2015	19	227	114.2	7.88	7.89	K2III+B8V	N	100205.73-545853.9

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WDS 10021-5459 DUN 83 (HD 87254) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 10021-5459 DUN 83 (HD 87254) : MEASURES

No records found.

WDS 10021-5459 (HD 87254) : VIRTUAL EYEPIECE

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WDS 10021-5459 (HD 87254) : ALADIN DSS IMAGE @ 10^h 02^m 05.73^s -54° 58' 53.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 10021-5459 DUN 83 (HD 87254) : NEIGHBORHOODS

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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		10021-5459	DUN 83		227	113.9
Show		10017-5501	TDS6966		250	2.3	5
Show		10008-5459	DAM1914		109	2.0	12
Show		10003-5448	BRT2046		146	5.0	19
Show		10006-5435	BRT2047		122	2.9	28
Show		10021-5425	TDS6975		10	1.3	34
Show		10055-5441	HU 1474		180	0.3	35
Show		10019-5424	FIN 404		168	4.8	36
Show		10058-5438	DAM1997		274	2.0	39
Show		10022-5538	TDS6977		352	2.5	40
Show		10062-5438	TDS7018		209	2.0	41
Show		10066-5447	RST2671		334	2.2	41
Show		10062-5433	RST1480		277	0.9	45
Show		09567-5505	FIN 150		63	0.1	47
Show		10010-5413	BRT2048		103	3.6	47
Show		10076-5457	I 847	BC	184	5.9	48
Show		10076-5457	I 847	AB	193	19.0	48
Show		10030-5547	DAM1966		193	5.7	49
Show		10028-5547	DAM1959		306	2.4	49
Show		10028-5548	BRT3133		253	3.5	50
Show		10064-5533	DAM 791		51	15.8	50
Show		10071-5434	I 499		297	1.9	51
Show	Tseen Ke	09569-5434	I 396		10	37.9	52
Show		10082-5446	COO 98		112	6.8	55
Show		09555-5513	TDS6899		359	0.9	59
Show		10001-5401	JNN 295		245	2.7	61
Show		10015-5559	DAM1925		344	3.1	61
Show		10020-5602	DAM1941		121	3.4	64
Show		10085-5428	TDS7060		116	0.7	64
Show		10091-5520	TDS7064		190	0.5	64
Show		09572-5410	KPP 206		162	3.7	65
Show		09590-5358	BRT2044		240	3.5	67
Show		09574-5552	TDS6921	AB	225	1.1	67
Show		10065-5404	TDS7026		183	2.0	67
Show		10087-5425	DAM2048		141	108.8	67
Show		10012-5606	HDS1446	Aa,Ab	16	0.2	68
Show		10012-5606	HDO 209	AB	65	38.8	68
Show		09576-5555	KPP2893		313	1.8	68
Show		10050-5356	BRT2049		91	3.6	69
Show		10004-5606	DAM1908		293	12.7	69
Show		09539-5456	TDS6888		204	1.1	72
Show		09594-5352	BRT2045		30	4.7	72
Show		10071-5557	JSP 373		266	0.9	72
Show		09535-5502	DAM1832		70	1.0	75
Show		09539-5527	DAM1837		241	23.0	76
Show		09583-5607	TDS6936		169	1.9	76
Show		10073-5601	TDS7034		67	0.5	77
Show		09544-5537	CPO 277		123	7.3	77
Show		09531-5501	R 137	CD	236	5.2	77
Show		09531-5501	R 137	AB	48	14.5	78
Show		09531-5501	R 137	AC	34	31.1	78

WDS 10021-5459 : COMPONENTS

	A
B	pa=211.3° sep=91.51"

10021-5459 A

Componente originario normalizzato	AB	Name	HD 87254	Coord arcsec 2000	100205.73-545853.9	Mag	7.88
Spectral class	K2III (yellow-orange)	PmRA	49.00	PmDE	-12.0	SAO	237622
HIP	49171	Tycho2	8603-00132-1	HD	87254	GC	13805
CP	CP-54 3043

Tycho2

Tycho2	8603-00132-1	Pflag		RAmdeg	150.52389375	DEmdeg	-54.98164728
PmRA	50.4	PmDE	-11.7	E RAmdeg	5	E DEmdeg	6
E pmRA	1.4	E pmDE	1.4	EpRAm	1991.27	EpDEm	1991.06
Num	10	Q RAmdeg	0.8	Q DEmdeg	0.7	Q pmRA	0.7
Q pmDE	0.6	BTmag	9.292	E BTmag	0.018	VTmag	7.878
E VTmag	0.011	Prox	999	TYC	T	HIP	49171
CCDM		RAdeg	150.52369139	DEdeg	-54.98162028	EpRA 1990	1.69
EpDE 1990	1.68	E RAdeg	5.4	E DEdeg	5.7	Posflg
Corr	0.0

SAO

SAO	237622	DelFlag		RA1950		PmRA1950	0.0071
DE1950		PmDE1950	-0.027	Vmag	7.6	SpType	K0
Double code		Source	70	CatNum	13805	DM	CP-54 3043
DMcomp		BDsup		HD	87254	M HD	0
GC	13805	RA1950rad	2.6193614	DE1950rad	-0.95538847	PmRA2000	0.0073
PmDE2000	-0.025

Hipparcos

Catalog	H	HIP	49171	Proxy		RAhms	10 02 05.68
DEdms	-54 58 53.8	Vmag	7.76	VarFlag		R Vmag	H
RAdeg	150.524	DEdeg	-54.9816	AstroRef		Plx	4.43
CCDM	10020-5459	N CCDM	I	Nsys	2	Ncomp	1
MultFlag		Source		Qual		M HIP
Theta		Rho		HD	87254	BD
CD		CP	CP-54 3043	Dm number	-54 3043	VIred	1.13
SpType	K2III	R SpType		Coord arcsec 2000	100205.68-545853.8

Hipparcos 2

HIP	49171	Sn	5	So	0	Nc	1
RArad	2.6271337661	DErad	-0.95961026	Plx	5.54	PmRA	49.08
PmDE	-11.96	E RArad	0.43	E DErad	0.38	E Plx	0.5
E pmRA	0.48	E pmDE	0.41	Hpmag	7.9215	E Hpmag	0.0011
SHp	0.011	VA	0	BV	1.17	E BV	0.015
VI	1.13

10021-5459 B

Componente originario normalizzato	AB		Coord arcsec 2000	100200.21-550012.1		Mag	7.89		Spectral class	B8V (blue-white)
PmRA	-12.00		PmDE	2.0		Calc delta mag	0.01		Calc coord	yes