04180-0031 SKF 848

04^h 18^m 01.40^s -00° 30' 36.2" P.A. 182.00 sep 38.8 mag 11.19,11.71 Sp K2V:+F9V:

Coord 2000	04180-0031	Discov num	SKF 848	Comp		Coord arcsec 2000	04 18 01.40 -00 30 36.2
Date first	1901	Date last	2015	Obs	15
Pa first	182	Pa last	181.8	P.A. Now (θ)	181.8°
Sep first	38.7	Sep last	38.806	Sep. Now (ρ)	38.806"
Mag pri	11.19	Mag sec	11.71	delta mag (ΔM)	0.52	Spectral class	K2V:+F9V: (yellow-orange/yellow-white)
Pri motion ra	+039	Sec motion ra	+038
Pri motion dec	-036	Sec motion dec	-037
Notes	N V (See Notes, Proper motion indicates physical)

rPM=0.027 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Eridanus

WDS 04180-0031 SKF 848 : NOTES

discov_num	notes	refcode
SKF 848	Pair originally published as BVD 45, but with incorrect sign given to	Bvd2010b
	declination. Pair later "rediscovered" and published with correct
	declination; this latter discoverer designation has been maintained.

REFERENCES

refcode	metd	author	reference
Bvd2010b	E+ u	Benavides, R., Rica, F., Reina, E., Castellanos, J., Naves, R., Lahuerta, L., & .	2010JDSO....6...30B
Bvd2010b	+C	Lahuerta, S.
Bvd2010b	+Ht	JDSO 6, 30, 2010 (astrometry from CCD imaging, 2MASS, Tycho-2, AC2000, various
Bvd2010b	+P+	DSS sources, including Palomar surveys and UK Schmidt survey)

DISCOVERER

idgroup	discov	author
1	SKF	Skiff, B.A.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04180-0031	SKF 848		2000	6	182	38.8	10.90	11.60	G	V	041801.40-003036.2
04180-0031	SKF 848		2012	11	182	38.9	10.90	11.60	K2V: F9V:	NV	041801.40-003036.2
04180-0031	SKF 848		2015	11	182	38.8	11.19	11.71	K2V:+F9V:	NV	041801.40-003036.2

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

WDS 04180-0031 SKF 848 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04180-0031 SKF 848 : MEASURES

No records found.

WDS 04180-0031 : VIRTUAL EYEPIECE

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

WDS 04180-0031 : ALADIN DSS IMAGE @ 04^h 18^m 01.40^s -00° 30' 36.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04180-0031 SKF 848 : 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		04180-0031	SKF 848		182	38.8	1
Show		04165+0041	J 1458		74	6.2	25
Show		04160+0027	STF 517		7	3.2	31
Show		04215-0006	HO 329	AB	50	45.4	58
Show		04215-0006	HO 329	AC	284	198.8	58
Show		04156+0129	KPP 554		92	5.2	69
Show		04132+0028	UC 1133		148	14.9	73
Show		04189+0146	STTA 49		324	102.7	76
Show		04234-0007	HO 330		20	1.9	85
Show		04123+0010	LDS3562		108	1.5	87
Show		04144+0140	HDS 538		78	0.2	88
Show		04126+0103	GWP 561		296	8.1	88
Show		04122+0044	STF 510		303	10.4	90
Show		04198+0206	BAL1267		223	6.4	99
Show		04189+0210	BAL1266		84	4.3	101
Show		04176+0211	BAL1265		226	9.5	101
Show		04248+0107	FMR 66		107	25.8	109
Show		04243+0127	BAL1268	AB	337	3.4	111
Show		04243+0127	BAL1268	AC	332	4.5	111
Show		04243+0127	BAL1268	BC	317	1.1	111
Show		04205-0119	RST4769		22	0.3	116
Show		04254+0118	HJ 677		110	5.0	121
Show		04097+0006	GRV 207		180	38.3	127
Show		04247+0152	BAL1269		44	7.0	130
Show		04265-0008	LDS3586		178	8.7	131
Show		04191+0240	BAL1642		275	19.5	131
Show		04102+0129	BAL1264		215	11.2	132
Show		04231-0117	BU 402	AB	76	9.6	133
Show		04231-0117	BU 402	AC	110	31.6	133
Show		04139+0229	GWP 566		153	13.2	135
Show		04236+0215	SHN 87		-1	0.3	135
Show		04089-0028	TDS2759		88	0.6	137
Show		04166+0247	A 2618		11	1.2	139
Show		04097+0141	KPP1247		267	9.6	144
Show		04092+0126	J 236	AB	222	4.1	146
Show		04134-0139	MCT 4		176	0.7	147
Show		04113+0219	HDS 532		277	0.9	149
Show		04254+0221	HJ 2230		325	34.7	157
Show		04134+0252	STF 515		39	3.1	158
Show		04080+0119	HJ 2223		200	18.5	159
Show		04259-0124	STF 547	CD	228	24.9	163
Show		04259-0124	STF 547	AB	119	7.6	165
Show		04259-0124	STF 547	AC	258	214.2	165
Show		04073+0113	SKF1943		105	3.3	167
Show		04286+0128	BAL1271		255	12.6	169
Show		04295+0025	BAL 972		233	2.7	172
Show		04066+0003	TDS 128		125	1.4	174
Show		04237+0302	BAL1644		137	14.0	174
Show		04094-0125	BAL 290		289	5.9	175
Show		04299-0101	RST4770		48	1.4	180
Show		04198-0228	BAL 29		194	12.0	181

WDS 04180-0031 : COMPONENTS

	A
B	pa=181.8° sep=38.81"

04180-0031 A

Componente originario normalizzato	AB		Coord arcsec 2000	041801.40-003036.2		Mag	11.19		Spectral class	K2V: (yellow-orange)
PmRA	39.00		PmDE	-36.0

04180-0031 B

Componente originario normalizzato	AB		Coord arcsec 2000	041801.32+002957.4		Mag	11.71		Spectral class	F9V: (yellow-white)
PmRA	38.00		PmDE	-37.0		Calc delta mag	0.52		Calc coord	yes