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Catalogue record

HR 6527

35Lam Sco

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This opens a form with this exact target selected. Review your date, location and observing constraints before calculating. Nothing is calculated or saved by following the link.

A bounded starter sample: 50 bright-star records from HEASARC BSC5P, including 23 records with identified double-star components and historical separations, plus 108 OpenNGC deep-sky records associated with Messier numbers.

These are static catalogue measurements, not current sky positions or a complete census. Double-star records may describe the same pair; a pair is not necessarily a gravitationally bound binary. Separation dates and companion position angles are not available.

Missing measurements are unknown, not zero. Sizes can come from different wavelength bands and do not guarantee an object’s visible extent. No observability or equipment-resolution prediction is made here.

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Stable source identifier
bsc5p:hr6527
Source object type
star
Catalogue right ascension
263.4021 degrees
Catalogue declination
-37.1039 degrees
Recorded magnitude
1.63 · V (BSC5P; retain code/uncertainty flags)
Uncertainty flag: None reported; source code: None reported
Catalogue major / minor axes
Not reported / Not reported
Components
AC
Historical component separation
94.9 arcsec
Separation measurement epoch
Not reported
Companion position angle
Not reported

Coordinate interpretation

Verified coordinate frame
FK5
Frame equinox
J2000.0
Catalogue reference epoch
Julian year 2000.0
Individual observation epoch
Not reported
RA proper motion, including cosine of declination
-1 × 10⁻³ arcsec/year
Declination proper motion
-0.029 arcsec/year

The reference epoch describes when the catalogue position is expressed. It does not establish when individual observations were taken. Equinox describes the orientation of the coordinate axes.

Angular proper motion is available for a bounded calculation, but has not been applied here. No distance, radial velocity, perspective acceleration or companion orbit is inferred.

This page shows unchanged catalogue coordinates. It does not calculate current sky positions or observability.

Source and reuse: bsc5p

Hoffleit and Warren (1991), Bright Star Catalog, 5th revised preliminary edition; NASA/GSFC HEASARC

Original source / pinned release · NASA government-works; HEASARC free-use policy

Credit Hoffleit and Warren and NASA/GSFC HEASARC when reusing these records. Retain the source flags and historical measurement limitations.

Selection
Vmag <= 2.0, excluding 14 documented nonstellar HR identifiers
Retrieved
2026-10-01T21:40:09.869946+00:00
Reviewed subset SHA256
7fe926d80b535f9422ca81f8f3fee1d6422de29adaecfbd2f14b1a93fe5134b9
Original file hashes
bsc5p.tdat
e2b2f8e9d615426f9478f88061235976143d49d8b25c6c15df3f3661c7095b53
Coordinate-frame evidence

CDS VizieR · V/50/catalog

Exact source identifiers matched: 50. Evidence retrieved: 2026-10-01.

Pinned response SHA256
a3f83273ccaecf913a0d8e077413062c20ce1fc01ce890c80615a9572d5f1be9
Original source fields and flags

Original strings preserve missing values, photometric flags and per-field source codes. Blank means no value was supplied. No proper motion or companion position is calculated here.

ads
Not supplied
ads_comp
Not supplied
alt_name
35Lam Sco
bii
-2.2143
bv_color
-0.22
bv_uncert
Not supplied
cdec
-370614
cdec_1950
-370411
class
2224
cra
173336.5
cra_1950
173012.6
dec
-37.1039
dec_1900
-37.01666666808
dec_1950
-37.0699
dm_cat
CD
dm_num
-3711673
fk5
652
glat
-2.21
glon
351.74
hd
158926
hr
6527
ir_flag
Not supplied
lii
351.744
m_cnt
3
m_id
AC
m_mdiff
10.3
m_sep
94.9
multiple
W
name
HR 6527
note
*
par_code
Not supplied
parallax
Not supplied
pmdec
-0.029
pmra
-0.001
ra
263.4021
ra_1900
261.7041666667
ra_1950
262.5524
radvel
-3
radvel_comm
SB2
ri_code
Not supplied
ri_color
-0.28
rotvel
163
rotvel_comm
Not supplied
rotvel_uncert
Not supplied
sao
208954
spect_code
Not supplied
spect_type
B2IV+B
ub_color
-0.89
ub_uncert
Not supplied
var_id
Lam Sco
vmag
1.63
vmag_code
Not supplied
vmag_uncert
Not supplied