Exposure
ID
GRAVI.2023-12-09T07:28:53.495_1
Header ID
GRAVI.2023-12-09T07:28:53.495
Date updated
2023-12-09 07:40:51 UTC+0000
Release date
2024-12-09 07:40:51 UTC+0000
UTC Start
2023-12-09 07:28:53.495
UTC End
2023-12-09 07:32:53.495
MJD Start
60287.31173027
MJD End
60287.31450804778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0079505
Ambient temperature (°C)
17.27
Seeing (arcsec)
0.6100000000000001
Observation
ID
57878
Category
science
Program ID
112.25QQ.001
Program Title
A HIGH MULTIPLICITY STUDY OF NEARBY M>2.2 MSUN STARS: ARE THEY THE PROGENITORS OF EVERY EXPLODING WD?
Program Type
Normal
PI / COI
WAISBERG/ KATZ/ KLEIN
Target
ID
42877
Name
HIP55425
RA
170.247536
DEC
-54.49103
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 17.0000 17.1910 107.7000 108.3000
A0-D0 31.1200 31.1610 30.4000 31.4000
A0-C1 16.9560 17.1090 71.0540 72.0930
B2-D0 32.0090 32.0110 359.2000 359.8000
B2-C1 10.6610 10.6610 359.1330 359.7840
D0-C1 21.3490 21.3500 179.1810 179.8320
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25QQ.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60287.31173027
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME pi. Cen
HIERARCH ESO INS SOBJ NAME HIP55425
RA 170.247536
DEC -54.49103
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 17.0
HIERARCH ESO ISS PBL12 END 17.191
HIERARCH ESO ISS PBLA12 START 107.7
HIERARCH ESO ISS PBLA12 END 108.3
HIERARCH ESO ISS PBL13 START 31.12
HIERARCH ESO ISS PBL13 END 31.161
HIERARCH ESO ISS PBLA13 START 30.4
HIERARCH ESO ISS PBLA13 END 31.4
HIERARCH ESO ISS PBL14 START 16.956
HIERARCH ESO ISS PBL14 END 17.109
HIERARCH ESO ISS PBLA14 START 71.054
HIERARCH ESO ISS PBLA14 END 72.093
HIERARCH ESO ISS PBL23 START 32.009
HIERARCH ESO ISS PBL23 END 32.011
HIERARCH ESO ISS PBLA23 START 359.2
HIERARCH ESO ISS PBLA23 END 359.8
HIERARCH ESO ISS PBL24 START 10.661
HIERARCH ESO ISS PBL24 END 10.661
HIERARCH ESO ISS PBLA24 START 359.133
HIERARCH ESO ISS PBLA24 END 359.784
HIERARCH ESO ISS PBL34 START 21.349
HIERARCH ESO ISS PBL34 END 21.35
HIERARCH ESO ISS PBLA34 START 179.181
HIERARCH ESO ISS PBLA34 END 179.832
HIERARCH ESO ISS AMBI TAU0 START 0.007876
HIERARCH ESO ISS AMBI TAU0 END 0.008025
HIERARCH ESO ISS AMBI TEMP 17.27
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.67