Exposure
ID
GRAVI.2025-07-18T08:16:16.878_1
Header ID
GRAVI.2025-07-18T08:16:16.878
Date updated
2025-07-18 08:25:54 UTC+0000
Release date
2026-07-18 08:25:54 UTC+0000
UTC Start
2025-07-18 08:16:16.878
UTC End
2025-07-18 08:19:28.878
MJD Start
60874.34463979
MJD End
60874.34686201222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.00596
Ambient temperature (°C)
14.17
Seeing (arcsec)
0.59
Observation
ID
68849
Category
science
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
51219
Name
3_Cet
RA
1.123198
DEC
-10.50959
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 90.2870 90.3690 113.2000 113.3000
A0-J2 127.0740 127.4310 90.7000 90.9000
A0-K0 123.5440 124.0250 68.8520 69.1090
G1-J2 55.6270 55.8390 52.4000 52.7000
G1-K0 86.3360 86.4960 21.9110 22.3430
J2-K0 47.6380 47.5990 345.6060 345.9620
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60874.34463979
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 3 Cet
HIERARCH ESO INS SOBJ NAME 3_Cet
RA 1.123198
DEC -10.50959
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 90.287
HIERARCH ESO ISS PBL12 END 90.369
HIERARCH ESO ISS PBLA12 START 113.2
HIERARCH ESO ISS PBLA12 END 113.3
HIERARCH ESO ISS PBL13 START 127.074
HIERARCH ESO ISS PBL13 END 127.431
HIERARCH ESO ISS PBLA13 START 90.7
HIERARCH ESO ISS PBLA13 END 90.9
HIERARCH ESO ISS PBL14 START 123.544
HIERARCH ESO ISS PBL14 END 124.025
HIERARCH ESO ISS PBLA14 START 68.852
HIERARCH ESO ISS PBLA14 END 69.109
HIERARCH ESO ISS PBL23 START 55.627
HIERARCH ESO ISS PBL23 END 55.839
HIERARCH ESO ISS PBLA23 START 52.4
HIERARCH ESO ISS PBLA23 END 52.7
HIERARCH ESO ISS PBL24 START 86.336
HIERARCH ESO ISS PBL24 END 86.496
HIERARCH ESO ISS PBLA24 START 21.911
HIERARCH ESO ISS PBLA24 END 22.343
HIERARCH ESO ISS PBL34 START 47.638
HIERARCH ESO ISS PBL34 END 47.599
HIERARCH ESO ISS PBLA34 START 345.606
HIERARCH ESO ISS PBLA34 END 345.962
HIERARCH ESO ISS AMBI TAU0 START 0.006024
HIERARCH ESO ISS AMBI TAU0 END 0.005896
HIERARCH ESO ISS AMBI TEMP 14.17
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.6