Roslund 1

(MWSC 3169; OCL 112)

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0.71 UTI
0.41
CN
1.0
Cdens
0.75
CC3
0.7
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 41
Radius (P>50% members) 9.1 [arcmin]
  • CN 0.41 Poorly populated
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.7 Moderately studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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Roslund 1 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

Note: This object shares a significant percentage of members with a later reported entry. See table with shared members information.

Close Low extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Roslund 1 in: SciX Simbad
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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC – 296.243 17.523 1.134 -0.861 -5.832 -4.783
Hunt & Reffert 2024 296.264 17.549 1.126 -0.874 -5.828 -5.623
Cavallo et al. 2024 296.247 17.491 1.129 – – –
Hunt & Reffert 2023 296.264 17.549 1.126 -0.874 -5.828 -5.623
Just et al. 2023 296.273 17.508 – – – –
Bica et al. 2019 296.288 17.519 – – – –
Kharchenko et al. 2016 296.273 17.508 – – – –
Dias et al. 2014 296.25 17.517 – -2.91 0.28 –
Kharchenko et al. 2013 296.28 17.51 – 0.4 -7.21 –
Piskunov et al. 2008 296.241 17.522 – – – –
Kharchenko et al. 2005 296.25 17.52 – 1.18 -7.08 –
Kharchenko et al. 2003 296.28 17.53 – 0.01 -4.63 –
Dias et al. 2002 296.25 17.517 – 1.18 -7.08 –

💡 Note: The UCC values are estimated from its identified members.

Reference Year Dist [kpc] Av [mag] DAv [mag] Age [Myr] [Fe/H] [dex] Mass [Msun] Bfr BSS
Hunt & Reffert 2024 – – – – – 115* – –
Cavallo et al. 2024 0.86 1.15 – 105 0.190 – – –
Hunt & Reffert 2023 0.85 0.99 0.81 169 – – – –
Just et al. 2023 – – – 582 – 13 – –
Kharchenko et al. 2016 0.79 0.16 – 582 – – – –
Kharchenko et al. 2013 0.79 0.16 – 582 – – – –
Piskunov et al. 2008 0.67 0.16 – 295 – – – –
Kharchenko et al. 2005 0.67 0.16 – 295 – – – –
Kharchenko et al. 2003 0.83 0.46 – – – – – –
Dias et al. 2002 0.67 0.16 – 295 – – – –

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster % RA DEC Plx pmRA pmDE Rv UTI
OC 0079 63.4 296.24 17.54 1.13 -0.85 -5.85 -7.3 0.0

💡 Note: The % column shows the percentage of members that Roslund 1 shares with each listed object.

Visualization
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Roslund 1 UCC
Roslund 1 HUNT23
Galactocentric position diagram