Exposure
ID
GRAVI.2025-01-28T04:19:05.022_1
Header ID
GRAVI.2025-01-28T04:19:05.022
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-01-28 04:30:48 UTC+0000
UTC Start
2025-01-28 04:19:05.022
UTC End
2025-01-28 04:22:17.022
MJD Start
60703.17991924
MJD End
60703.182141462225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.008129
Ambient temperature (°C)
17.38
Seeing (arcsec)
0.665
Observation
ID
63541
Category
science
Program ID
114.27NF.001
Program Title
UNVELING 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
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 25.1880 25.1710 150.5000 151.0000
A0-D0 30.9090 30.7900 78.2000 78.6000
A0-C1 22.2040 22.1510 124.3210 124.8490
B2-D0 33.4100 33.3640 32.3000 32.6000
B2-C1 11.1290 11.1140 32.2870 32.5960
D0-C1 22.2810 22.2500 212.3500 212.6590
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60703.17991924
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 25.188
HIERARCH ESO ISS PBL12 END 25.171
HIERARCH ESO ISS PBLA12 START 150.5
HIERARCH ESO ISS PBLA12 END 151.0
HIERARCH ESO ISS PBL13 START 30.909
HIERARCH ESO ISS PBL13 END 30.79
HIERARCH ESO ISS PBLA13 START 78.2
HIERARCH ESO ISS PBLA13 END 78.6
HIERARCH ESO ISS PBL14 START 22.204
HIERARCH ESO ISS PBL14 END 22.151
HIERARCH ESO ISS PBLA14 START 124.321
HIERARCH ESO ISS PBLA14 END 124.849
HIERARCH ESO ISS PBL23 START 33.41
HIERARCH ESO ISS PBL23 END 33.364
HIERARCH ESO ISS PBLA23 START 32.3
HIERARCH ESO ISS PBLA23 END 32.6
HIERARCH ESO ISS PBL24 START 11.129
HIERARCH ESO ISS PBL24 END 11.114
HIERARCH ESO ISS PBLA24 START 32.287
HIERARCH ESO ISS PBLA24 END 32.596
HIERARCH ESO ISS PBL34 START 22.281
HIERARCH ESO ISS PBL34 END 22.25
HIERARCH ESO ISS PBLA34 START 212.35
HIERARCH ESO ISS PBLA34 END 212.659
HIERARCH ESO ISS AMBI TAU0 START 0.008451
HIERARCH ESO ISS AMBI TAU0 END 0.007807
HIERARCH ESO ISS AMBI TEMP 17.38
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.62