Exposure
ID
GRAVI.2025-11-19T04:51:00.066_1
Header ID
GRAVI.2025-11-19T04:51:00.066
Date updated
2025-11-19 05:25:55 UTC+0000
Release date
2026-11-19 05:25:55 UTC+0000
UTC Start
2025-11-19 04:51:00.066
UTC End
2025-11-19 04:54:12.066
MJD Start
60998.2020841
MJD End
60998.20430632222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007644
Ambient temperature (°C)
14.34
Seeing (arcsec)
0.675
Observation
ID
71798
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
47344
Name
sig_CMa
RA
105.42723
DEC
-27.9348
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.7640 21.9050 129.4000 129.6000
A0-D0 27.0340 27.2010 42.9000 43.7000
A0-C1 17.5300 17.7300 98.6060 98.9410
B2-D0 33.6690 33.6720 2.7000 3.2000
B2-C1 11.2160 11.2170 2.6770 3.2140
D0-C1 22.4530 22.4550 182.7260 183.2640
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 60998.2020841
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME sig CMa
HIERARCH ESO INS SOBJ NAME sig_CMa
RA 105.42723
DEC -27.9348
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 21.764
HIERARCH ESO ISS PBL12 END 21.905
HIERARCH ESO ISS PBLA12 START 129.4
HIERARCH ESO ISS PBLA12 END 129.6
HIERARCH ESO ISS PBL13 START 27.034
HIERARCH ESO ISS PBL13 END 27.201
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.7
HIERARCH ESO ISS PBL14 START 17.53
HIERARCH ESO ISS PBL14 END 17.73
HIERARCH ESO ISS PBLA14 START 98.606
HIERARCH ESO ISS PBLA14 END 98.941
HIERARCH ESO ISS PBL23 START 33.669
HIERARCH ESO ISS PBL23 END 33.672
HIERARCH ESO ISS PBLA23 START 2.7
HIERARCH ESO ISS PBLA23 END 3.2
HIERARCH ESO ISS PBL24 START 11.216
HIERARCH ESO ISS PBL24 END 11.217
HIERARCH ESO ISS PBLA24 START 2.677
HIERARCH ESO ISS PBLA24 END 3.214
HIERARCH ESO ISS PBL34 START 22.453
HIERARCH ESO ISS PBL34 END 22.455
HIERARCH ESO ISS PBLA34 START 182.726
HIERARCH ESO ISS PBLA34 END 183.264
HIERARCH ESO ISS AMBI TAU0 START 0.007671
HIERARCH ESO ISS AMBI TAU0 END 0.007617
HIERARCH ESO ISS AMBI TEMP 14.34
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.65