Exposure
ID
GRAVI.2025-03-07T00:36:31.760_1
Header ID
GRAVI.2025-03-07T00:36:31.760
Date updated
2025-03-07 00:45:45 UTC+0000
Release date
2026-03-07 00:45:45 UTC+0000
UTC Start
2025-03-07 00:36:31.760
UTC End
2025-03-07 00:39:43.760
MJD Start
60741.02536759
MJD End
60741.02758981223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.007247999999999999
Ambient temperature (°C)
13.78
Seeing (arcsec)
0.67
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 25.2460 25.2590 141.7000 142.1000
A0-D0 32.0030 32.0040 70.2000 70.6000
A0-C1 22.5920 22.6060 115.1110 115.5310
B2-D0 33.9080 33.8990 25.2000 25.6000
B2-C1 11.2950 11.2920 25.1830 25.5880
D0-C1 22.6130 22.6070 205.2460 205.6510
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 60741.02536759
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 25.246
HIERARCH ESO ISS PBL12 END 25.259
HIERARCH ESO ISS PBLA12 START 141.7
HIERARCH ESO ISS PBLA12 END 142.1
HIERARCH ESO ISS PBL13 START 32.003
HIERARCH ESO ISS PBL13 END 32.004
HIERARCH ESO ISS PBLA13 START 70.2
HIERARCH ESO ISS PBLA13 END 70.6
HIERARCH ESO ISS PBL14 START 22.592
HIERARCH ESO ISS PBL14 END 22.606
HIERARCH ESO ISS PBLA14 START 115.111
HIERARCH ESO ISS PBLA14 END 115.531
HIERARCH ESO ISS PBL23 START 33.908
HIERARCH ESO ISS PBL23 END 33.899
HIERARCH ESO ISS PBLA23 START 25.2
HIERARCH ESO ISS PBLA23 END 25.6
HIERARCH ESO ISS PBL24 START 11.295
HIERARCH ESO ISS PBL24 END 11.292
HIERARCH ESO ISS PBLA24 START 25.183
HIERARCH ESO ISS PBLA24 END 25.588
HIERARCH ESO ISS PBL34 START 22.613
HIERARCH ESO ISS PBL34 END 22.607
HIERARCH ESO ISS PBLA34 START 205.246
HIERARCH ESO ISS PBLA34 END 205.651
HIERARCH ESO ISS AMBI TAU0 START 0.007631
HIERARCH ESO ISS AMBI TAU0 END 0.006865
HIERARCH ESO ISS AMBI TEMP 13.78
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.66