Exposure
ID
GRAVI.2025-11-25T04:12:44.010_1
Header ID
GRAVI.2025-11-25T04:12:44.010
Date updated
2025-11-25 04:25:54 UTC+0000
Release date
2026-11-25 04:25:53 UTC+0000
UTC Start
2025-11-25 04:12:44.010
UTC End
2025-11-25 04:15:56.010
MJD Start
61004.17550937
MJD End
61004.17773159222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0051715
Ambient temperature (°C)
12.61
Seeing (arcsec)
0.595
Observation
ID
71854
Category
science
Program ID
116.28P0.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG / ERCOLINO / JANIK
Target
ID
53337
Name
145_CMa
RA
109.151031
DEC
-23.31557
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 43.2820 43.4960 139.2000 139.2000
A0-D0 24.4440 24.6340 38.1000 39.1000
A0-G1 63.9340 64.8620 100.4900 100.7030
B5-D0 53.6330 53.6380 345.8000 346.1000
B5-G1 40.5210 41.0500 58.5740 59.3890
D0-G1 56.8720 57.4090 122.8690 122.8880
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61004.17550937
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 145 CMa
HIERARCH ESO INS SOBJ NAME 145_CMa
RA 109.151031
DEC -23.31557
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 43.282
HIERARCH ESO ISS PBL12 END 43.496
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 139.2
HIERARCH ESO ISS PBL13 START 24.444
HIERARCH ESO ISS PBL13 END 24.634
HIERARCH ESO ISS PBLA13 START 38.1
HIERARCH ESO ISS PBLA13 END 39.1
HIERARCH ESO ISS PBL14 START 63.934
HIERARCH ESO ISS PBL14 END 64.862
HIERARCH ESO ISS PBLA14 START 100.49
HIERARCH ESO ISS PBLA14 END 100.703
HIERARCH ESO ISS PBL23 START 53.633
HIERARCH ESO ISS PBL23 END 53.638
HIERARCH ESO ISS PBLA23 START 345.8
HIERARCH ESO ISS PBLA23 END 346.1
HIERARCH ESO ISS PBL24 START 40.521
HIERARCH ESO ISS PBL24 END 41.05
HIERARCH ESO ISS PBLA24 START 58.574
HIERARCH ESO ISS PBLA24 END 59.389
HIERARCH ESO ISS PBL34 START 56.872
HIERARCH ESO ISS PBL34 END 57.409
HIERARCH ESO ISS PBLA34 START 122.869
HIERARCH ESO ISS PBLA34 END 122.888
HIERARCH ESO ISS AMBI TAU0 START 0.004252
HIERARCH ESO ISS AMBI TAU0 END 0.006091
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.52