HIP 24019 — Double Star in Taurus
Observe
1Physical Properties
Magnitude
6.01
Spectral Type
A5m
Star Color
Yellow-white
(B-V 0.27)
Distance
408 ly
2Position & Identifiers
RA
05h 09m 45.1s
Dec
+28° 01' 50.0"
Constellation
Taurus
(Tau)
HR
1670
HIP
24019
HD
33204
SAO
76990
Double Cat
3730
Querying VizieR catalog...
3How easy to split?
Primary
6.0 mag
Companion
9.1 mag
Separation
11.3″
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | Easy | Medium+ | Medium+ |
| 150 mm Newton 150mm Newt. | Easy | Easy | Easy |
| Celestron C8 (203 mm SCT) C8 203mm | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Nov – Jan
(peak: Dec)
5Multiple Star System Triple
Components
3 (triple)
Component IDs
AxBC
Separation
11.3″
Companion Mag
9.1
Position Angle
351°
Star Colors
A: Yellow-white
C: Orange
Discoverer
L 54
BC 8.6 dG7, 9.1, 32.1y, a = 0.217". CPM with component A.
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
A: 6.0 · B: 9.1 · Sep: 11.3″ · PA: 351° · N up, E right
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Explore
6
Size Comparison
Querying VizieR for stellar data…
7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
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10
Stellar Lifecycle
11
Blackbody Spectrum
12
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
13
Stellar Fusion
Discover
14Stellar Notes
Hyades group and cluster; Mel 25 #131.
Also classified A9Vmvs.
15
Light Travel Time Machine
16
Relativistic Travel
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
NGC 1746
Rich open cluster
Open Cluster
mag 6.0
4.5°
Taurus
14 Aur
Easy double, sep 14.3″
Double Star
mag 5.02
4.8°
Auriga
118 Tau
Easy double, sep 4.7″
Double Star
mag 5.47
5.2°
Taurus
17 Aur
Eclipsing binary, period 4.1d
Variable Star
mag 6.14
6.0°
Auriga
AE Aur
Hot blue O-type star
Double Star
mag 5.96
6.4°
Auriga
M1
NGC 1952
Supernova remnant
Supernova Remnant
mag 8.4
8.2°
Taurus
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