Exposure
ID
GRAVI.2025-02-22T03:39:38.437_1
Header ID
GRAVI.2025-02-22T03:39:38.437
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2026-02-22 03:50:33 UTC+0000
UTC Start
2025-02-22 03:39:38.437
UTC End
2025-02-22 03:42:18.437
MJD Start
60728.15252821
MJD End
60728.15438006185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0075815
Ambient temperature (°C)
15.15
Seeing (arcsec)
0.76
Observation
ID
63095
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
47005
Name
SCI_V407_Pup
RA
119.474194
DEC
-20.42867
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 47.8710 47.8330 159.3000 159.7000
A0-J2 124.1770 123.7390 99.1000 99.4000
A0-J6 169.2610 169.1790 32.0520 32.2680
B5-J2 108.6630 108.3350 76.6000 76.8000
B5-J6 201.8590 201.8420 21.1680 21.4160
J2-J6 166.2890 166.2320 348.6210 348.9790
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 60728.15252821
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V V407 Pup
HIERARCH ESO INS SOBJ NAME SCI_V407_Pup
RA 119.474194
DEC -20.42867
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 47.871
HIERARCH ESO ISS PBL12 END 47.833
HIERARCH ESO ISS PBLA12 START 159.3
HIERARCH ESO ISS PBLA12 END 159.7
HIERARCH ESO ISS PBL13 START 124.177
HIERARCH ESO ISS PBL13 END 123.739
HIERARCH ESO ISS PBLA13 START 99.1
HIERARCH ESO ISS PBLA13 END 99.4
HIERARCH ESO ISS PBL14 START 169.261
HIERARCH ESO ISS PBL14 END 169.179
HIERARCH ESO ISS PBLA14 START 32.052
HIERARCH ESO ISS PBLA14 END 32.268
HIERARCH ESO ISS PBL23 START 108.663
HIERARCH ESO ISS PBL23 END 108.335
HIERARCH ESO ISS PBLA23 START 76.6
HIERARCH ESO ISS PBLA23 END 76.8
HIERARCH ESO ISS PBL24 START 201.859
HIERARCH ESO ISS PBL24 END 201.842
HIERARCH ESO ISS PBLA24 START 21.168
HIERARCH ESO ISS PBLA24 END 21.416
HIERARCH ESO ISS PBL34 START 166.289
HIERARCH ESO ISS PBL34 END 166.232
HIERARCH ESO ISS PBLA34 START 348.621
HIERARCH ESO ISS PBLA34 END 348.979
HIERARCH ESO ISS AMBI TAU0 START 0.008401
HIERARCH ESO ISS AMBI TAU0 END 0.006762
HIERARCH ESO ISS AMBI TEMP 15.15
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.81