Exposure
ID
GRAVI.2024-12-04T03:15:49.821_1
Header ID
GRAVI.2024-12-04T03:15:49.821
Date updated
2024-12-04 03:25:59 UTC+0000
Release date
2025-12-04 03:25:59 UTC+0000
UTC Start
2024-12-04 03:15:49.821
UTC End
2024-12-04 03:19:01.821
MJD Start
60648.1359933
MJD End
60648.1382155222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004775
Ambient temperature (°C)
14.21
Seeing (arcsec)
0.57
Observation
ID
62220
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
JADLOVSKý / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
46281
Name
sig_CMa
RA
105.427231
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 20.2820 20.4470 128.6000 128.6000
A0-D0 25.4810 25.6370 34.5000 35.4000
A0-C1 15.4480 15.6780 95.3500 95.6980
B2-D0 33.6680 33.6660 357.6000 358.1000
B2-C1 11.2160 11.2150 357.5590 358.0900
D0-C1 22.4520 22.4510 177.6020 178.1340
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 60648.1359933
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME sig CMa
HIERARCH ESO INS SOBJ NAME sig_CMa
RA 105.427231
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 20.282
HIERARCH ESO ISS PBL12 END 20.447
HIERARCH ESO ISS PBLA12 START 128.6
HIERARCH ESO ISS PBLA12 END 128.6
HIERARCH ESO ISS PBL13 START 25.481
HIERARCH ESO ISS PBL13 END 25.637
HIERARCH ESO ISS PBLA13 START 34.5
HIERARCH ESO ISS PBLA13 END 35.4
HIERARCH ESO ISS PBL14 START 15.448
HIERARCH ESO ISS PBL14 END 15.678
HIERARCH ESO ISS PBLA14 START 95.35
HIERARCH ESO ISS PBLA14 END 95.698
HIERARCH ESO ISS PBL23 START 33.668
HIERARCH ESO ISS PBL23 END 33.666
HIERARCH ESO ISS PBLA23 START 357.6
HIERARCH ESO ISS PBLA23 END 358.1
HIERARCH ESO ISS PBL24 START 11.216
HIERARCH ESO ISS PBL24 END 11.215
HIERARCH ESO ISS PBLA24 START 357.559
HIERARCH ESO ISS PBLA24 END 358.09
HIERARCH ESO ISS PBL34 START 22.452
HIERARCH ESO ISS PBL34 END 22.451
HIERARCH ESO ISS PBLA34 START 177.602
HIERARCH ESO ISS PBLA34 END 178.134
HIERARCH ESO ISS AMBI TAU0 START 0.004084
HIERARCH ESO ISS AMBI TAU0 END 0.005466
HIERARCH ESO ISS AMBI TEMP 14.21
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.53