Exposure
ID
GRAVI.2025-11-18T04:32:38.621_1
Header ID
GRAVI.2025-11-18T04:32:38.621
Date updated
2025-11-18 07:05:22 UTC+0000
Release date
2026-11-18 07:05:19 UTC+0000
UTC Start
2025-11-18 04:32:38.621
UTC End
2025-11-18 04:35:50.621
MJD Start
60997.18933589
MJD End
60997.19155811222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0030499999999999998
Ambient temperature (°C)
16.01
Seeing (arcsec)
1.005
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 20.8550 21.0130 128.8000 128.9000
A0-D0 26.0390 26.2020 37.7000 38.6000
A0-C1 16.2470 16.4690 96.5660 96.9100
B2-D0 33.6620 33.6620 359.5000 0.0000
B2-C1 11.2140 11.2140 359.4360 359.9750
D0-C1 22.4480 22.4480 179.4820 180.0210
Invalid fields
Key
PROJECTED_BASELINES
Header: validation messages
Message
Invalid value for 'HIERARCH ESO ISS PBLA23 END' : '0.0'
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 60997.18933589
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 20.855
HIERARCH ESO ISS PBL12 END 21.013
HIERARCH ESO ISS PBLA12 START 128.8
HIERARCH ESO ISS PBLA12 END 128.9
HIERARCH ESO ISS PBL13 START 26.039
HIERARCH ESO ISS PBL13 END 26.202
HIERARCH ESO ISS PBLA13 START 37.7
HIERARCH ESO ISS PBLA13 END 38.6
HIERARCH ESO ISS PBL14 START 16.247
HIERARCH ESO ISS PBL14 END 16.469
HIERARCH ESO ISS PBLA14 START 96.566
HIERARCH ESO ISS PBLA14 END 96.91
HIERARCH ESO ISS PBL23 START 33.662
HIERARCH ESO ISS PBL23 END 33.662
HIERARCH ESO ISS PBLA23 START 359.5
HIERARCH ESO ISS PBLA23 END 0.0
HIERARCH ESO ISS PBL24 START 11.214
HIERARCH ESO ISS PBL24 END 11.214
HIERARCH ESO ISS PBLA24 START 359.436
HIERARCH ESO ISS PBLA24 END 359.975
HIERARCH ESO ISS PBL34 START 22.448
HIERARCH ESO ISS PBL34 END 22.448
HIERARCH ESO ISS PBLA34 START 179.482
HIERARCH ESO ISS PBLA34 END 180.021
HIERARCH ESO ISS AMBI TAU0 START 0.002967
HIERARCH ESO ISS AMBI TAU0 END 0.003133
HIERARCH ESO ISS AMBI TEMP 16.01
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 0.94