Alessi Teutsch 7

(ASCC 47; MWSC 1500; AT 7)

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0.70 UTI
0.77
CN
1.0
Cdens
0.75
CC3
0.48
Clit
1.0
Cdup
N50 (P>50% members) 157
Stellar density (N50/rad) 6.0 [N/pc2]
C3 classification AB
  • CN 0.77 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.48 Poorly studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 MOCAMOCA 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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Alessi Teutsch 7 is a rich, 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 massive, young cluster (see Parameters). It is poorly studied in the literature.

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

Richer et al. (2021)
The expected number of WDs is 4.7, 1 WD candidate found, and 0 WD candidates found in the wide search.

Bica et al. (2019)
Web updates in DAML02, some were later removed (2003 to 2010). List of clusters and alike reported by B. Alessi. The Preliminary Amateur Open Cluster Catalog, Version 08/03/2003.

Data
🔍 Search references for Alessi Teutsch 7 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 99999– 128.231 -39.41 1.329 -8.115 5.642 28.716
Just et al. 2023 127.942 -39.052 – – – –
He et al. 2022 128.361 -39.72 1.316 -8.134 5.705 –
Richer et al. 2021 128.15 -39.355 1.272 -8.1 5.6 –
Bica et al. 2019 127.958 -39.098 – – – –
Dib et al. 2018 127.947 -39.055 – – – –
Loktin & Popova 2017 127.935 -39.132 – -3.121 8.667 11.0
Sampedro et al. 2017 127.933 -39.132 -2.53 2.52 – –
Joshi et al. 2016 127.947 -39.055 – – – –
Kharchenko et al. 2016 127.942 -39.052 – – – –
Dias et al. 2014 127.933 -39.132 – -2.54 2.55 –
Kharchenko et al. 2013 127.947 -39.055 – -8.0 6.65 11.0
Gozha et al. 2012 127.933 -39.132 – – – –
Piskunov et al. 2008 127.943 -39.082 – – – –
Kharchenko et al. 2007 127.95 -39.08 – 0.5 – 11.0
Piskunov et al. 2007 127.943 -39.082 – – – –
Kharchenko et al. 2005 127.95 -39.08 – -8.94 5.2 11.0
Dias et al. 2002 127.933 -39.132 – -8.94 5.2 11.0

💡 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] Bfrac BSS
UCC 99999– 0.9 0.34 – 76 – 1268 – –
Just et al. 2023 – – – 76 – 59 – –
He et al. 2022 – 0.35 – 71 – – – –
Richer et al. 2021 – 0.33 – 90 – – – –
Dib et al. 2018 0.78 – – 76 – – – –
Loktin & Popova 2017 1.10 1.07 – 200 – – – –
Joshi et al. 2016 0.78 0.39 – 76 – 1995 – –
Kharchenko et al. 2016 0.78 0.39 – 76 – – – –
Kharchenko et al. 2013 0.78 0.39 – 76 – – – –
Gozha et al. 2012 0.90 – – 76 – 1995 – –
Piskunov et al. 2008 0.90 0.32 – 76 – 1268(1) – –
Piskunov et al. 2007 0.90 0.32 – 76 – 442 – –
Kharchenko et al. 2005 0.90 0.32 – 76 – – – –
Dias et al. 2002 0.90 0.32 – 76 – – – –

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster % RA DEC Plx pmRA pmDE Rv UTI
Theia 274 40.8 128.46 -39.58 1.32 -8.11 5.64 28.01 0.08

💡 Note: The % column shows the percentage of members that Alessi Teutsch 7 shares with each listed object.

Visualization
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Alessi Teutsch 7 UCC
Galactocentric position diagram