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Table 4.

Inferred birthplace of HMXBs observed by Gaia and corresponding age since the first supernova event.

HMXB Birthplace tSN vpec
[Myr]
[km s−1]
This work CC13 This work F22
IGR J00370+6122 Isolated ...
1A 0114+650 Cluster 4.4 37
LS I+61 303 Cluster 15 – 16 12 – 18
X Per Cluster 24 33
XTE J0421+560 ...( * ) ...
1A 0535+262 Arm 18 80 49.7
IGR J06074+2205 ...( * ) ...
HD 259440 Cluster 38 31
IGR J08408−4503 Isolated ...
Vela X-1 Isolated ...
2FGL J1019.0-5856 Arm( * ) 10 42
Cen X-3 Arm( * ) 1.9 78
1E 1145.1-6141 Arm( * ) 15 – 35 77 – 81
GX 301-2 Isolated( * ) ...
PSR B1259-93 Isolated ... 60
4U 1538-522 Arm( * ) 4.4 – 15 20 80 – 90
4U 1700-377 Cluster 1.9 80 110
IGR J17544−2619 Cluster 5.4 37
SAX J1802.7-2017 ...( * ) ...
LS 5039 Isolated ...
IGR J18410−0535 ...( * ) ... 60
IGR J18450−0435 Arm( * ) 17 – 23 59 – 62
SS 433 Arm( * ) < 60 32
Cyg X-1 Cluster 4.4 26
4U 2206+543 Arm 21 – 32 38.3
MWC 656 Isolated ...

Notes. ( * )Caveat for binaries located in regions with low cluster density (< 10 kpc−2). CC13: Coleiro & Chaty (2013), F22: Fortin et al. (2022).

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