08539-1308 ST 9 AB

08^h 54^m 05.29^s -13° 07' 31.0" P.A. 300.00 sep 0.8 mag 12.30,13.20 Sp M2.5

Coord 2000	08539-1308	Discov num	ST 9	Comp	AB	Coord arcsec 2000	08 54 05.29 -13 07 31.0
Date first	1937	Date last	2021	Obs	24
Pa first	73	Pa last	299.6	P.A. Now (θ)	299.6°
Sep first	1.9	Sep last	0.843	Sep. Now (ρ)	0.843"
Mag pri	12.30	Mag sec	13.20	delta mag (ΔM)	0.9	Spectral class	M2.5 (red)
Pri motion ra	+344	Sec motion ra	+344
Pri motion dec	-549	Sec motion dec	-549
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Hydra

HIP

43708

WDS 08539-1308 ST 9 AB : NOTES

discov_num	notes	refcode
ST 9	L 820-19 = LPM 299 = LDS3829.
	NLTT 20496/20497	Chm2004

REFERENCES

refcode	metd	author	reference
Chm2004	E -	Chaname, J. & Gould, A.	2004ApJ...601..289C
Chm2004		ApJ 601, 289, 2004
Chm2004		(Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004		versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004		identical to discovery observations - predominantly close pairs - were assumed
Chm2004		not new observations, so not included in WDS. Similar concerns when primary and
Chm2004		secondary magnitudes or proper motions were the same.)

DISCOVERER

idgroup	discov	author
1	ST	Stearns, C.L.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
08539-1308	ST 9	AB	2015	13	94	0.9	12.30	13.20	M2.5	N	085405.29-130731.0
08539-1308	ST 9	AB	2019	15	291	0.9	12.30	13.20	M2.5	N	085405.29-130731.0
08539-1308	ST 9	AB	2020	20	295	0.9	12.30	13.20	M2.5	N	085405.29-130731.0
08539-1308	ST 9	AB	2021	24	300	0.8	12.30	13.20	M2.5	N	085405.29-130731.0

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

WDS 08539-1308 ST 9 AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 08539-1308 ST 9 AB : MEASURES

No records found.

WDS 08539-1308 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 08539-1308 : ALADIN DSS IMAGE @ 08^h 54^m 05.29^s -13° 07' 31.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 08539-1308 ST 9 AB : NEIGHBORHOODS

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		08539-1308	ST 9	AB	300	0.8
Show		08525-1314	HJ 4146		109	29.6	24
Show		08518-1242	UC 1725		57	24.7	42
Show		08570-1321	TDS6212		80	0.8	45
Show		08507-1306	TDS6131		37	1.8	50
Show		08575-1305	RST3615		280	1.3	50
Show		08566-1343	HJ 800		353	23.8	52
Show		08578-1306	HU 122		250	0.8	55
Show		08512-1231	XMI 84		268	21.0	56
Show		08578-1254	UC 1736		165	11.1	56
Show		08548-1406	GWP1108	AB	309	52.1	60
Show		08548-1406	GWP1109	AC	13	10.1	60
Show		08550-1205	GWP1110		93	110.6	65
Show		08512-1219	RST3610		66	1.2	65
Show		08555-1409	RST3613		171	1.4	65
Show		08568-1401	GWP1119		293	16.6	67
Show		08493-1253	RST3609		132	1.1	72
Show		08540-1156	RST3612		22	0.8	72
Show		08501-1353	DVG 5		45	5.5	74
Show		08540-1153	DAM1504		272	4.1	75
Show		08491-1325	HJ 4140		286	10.3	76
Show		08491-1244	BRT2714	BC	204	3.3	78
Show		08491-1244	J 2064	AB	28	71.9	78
Show		08593-1233	LDS3839		16	5.3	83
Show		08485-1235	UC 1714		88	34.5	89
Show		08486-1353	JNN 64	Ba,Bb	166	0.3	92
Show		08486-1353	LDS3821	AB	92	7.4	93
Show		08486-1353	LDS3821	AC	147	69.3	93
Show		08541-1443	LDS3831		354	136.7	95
Show		09001-1228	HU 225	AB	268	0.4	97
Show		09001-1228	WOR 36	AB,C	135	5.2	97
Show		09005-1239	HJ 4160		282	13.3	98
Show		08473-1257	J 2888		187	4.4	98
Show		08584-1422	LDS3837		302	29.5	98
Show		08477-1346	UC 1712		316	16.8	101
Show		08553-1122	S 584		217	63.6	107
Show		08512-1448	GWP1094		34	84.7	109
Show		08464-1333	RST5507		266	26.8	116
Show		08491-1440	HJ 797		138	16.6	118
Show		09000-1432	HDS1304		107	0.2	121
Show		08518-1108	SCJ 11		353	2.3	124
Show		08458-1240	RST3607		342	1.5	125
Show		08516-1510	UC 1724		89	35.4	128
Show		08491-1121	RST3608		71	2.5	130
Show		08588-1458	A 3070		66	0.4	131
Show		08464-1413	BRT2713		139	2.9	131
Show		08466-1419	DAM 480		204	9.6	131
Show		08462-1422	HU 120		322	0.4	138
Show		08445-1312	UC 1709		133	10.7	140
Show		08454-1407	HU 119		356	2.6	140
Show		08567-1523	J 1537		357	5.5	142

WDS 08539-1308 : COMPONENTS

	A
B	pa=300.3° sep=0.83"

08539-1308 A

Coord arcsec 2000	085405.29-130731.0		Mag	12.3		Spectral class	M2.5 (red)		PmRA	344.00
PmDE	-549.0		HIP	43708

Hipparcos

Catalog	H	HIP	43708	Proxy		RAhms	08 54 05.33
DEdms	-13 07 25.1	Vmag	11.94	VarFlag		R Vmag	G
RAdeg		DEdeg		AstroRef		Plx
CCDM	08541-1307	N CCDM	I	Nsys	1	Ncomp
MultFlag		Source		Qual	S	M HIP
Theta		Rho		HD		BD
CD		CP		Dm number		VIred	2.5
SpType	M6...	R SpType		Coord arcsec 2000	085405.33-130725.1

08539-1308 B

Coord arcsec 2000	085405.24-130730.6		Mag	13.2		PmRA	344.00		PmDE	-549.0
Calc delta mag	0.9		Calc coord	yes