Exposure
ID
GRAVI.2025-07-18T08:00:40.838_1
Header ID
GRAVI.2025-07-18T08:00:40.838
Date updated
2025-07-18 08:15:43 UTC+0000
Release date
2025-07-18 08:00:40 UTC+0000
UTC Start
2025-07-18 08:00:40.838
UTC End
2025-07-18 08:03:52.838
MJD Start
60874.333806
MJD End
60874.33602822223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005895
Ambient temperature (°C)
13.75
Seeing (arcsec)
0.82
Observation
ID
68848
Category
calibrator
Program ID
115.27VK.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
Target
ID
51218
Name
tet_Psc
RA
351.989108
DEC
6.37875
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.7390 89.5550 112.9000 112.9000
A0-J2 128.8100 128.9620 93.1000 93.0000
A0-K0 123.2950 123.8100 73.9190 73.8830
G1-J2 53.8100 54.1110 58.7000 58.8000
G1-K0 77.8660 78.2070 27.3910 27.7660
J2-K0 42.4090 42.3180 346.1490 346.5500
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60874.333806
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME tet Psc
HIERARCH ESO INS SOBJ NAME tet_Psc
RA 351.989108
DEC 6.37875
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 89.739
HIERARCH ESO ISS PBL12 END 89.555
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 128.81
HIERARCH ESO ISS PBL13 END 128.962
HIERARCH ESO ISS PBLA13 START 93.1
HIERARCH ESO ISS PBLA13 END 93.0
HIERARCH ESO ISS PBL14 START 123.295
HIERARCH ESO ISS PBL14 END 123.81
HIERARCH ESO ISS PBLA14 START 73.919
HIERARCH ESO ISS PBLA14 END 73.883
HIERARCH ESO ISS PBL23 START 53.81
HIERARCH ESO ISS PBL23 END 54.111
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.8
HIERARCH ESO ISS PBL24 START 77.866
HIERARCH ESO ISS PBL24 END 78.207
HIERARCH ESO ISS PBLA24 START 27.391
HIERARCH ESO ISS PBLA24 END 27.766
HIERARCH ESO ISS PBL34 START 42.409
HIERARCH ESO ISS PBL34 END 42.318
HIERARCH ESO ISS PBLA34 START 346.149
HIERARCH ESO ISS PBLA34 END 346.55
HIERARCH ESO ISS AMBI TAU0 START 0.005895
HIERARCH ESO ISS AMBI TAU0 END 0.005895
HIERARCH ESO ISS AMBI TEMP 13.75
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82