Exposure
ID
GRAVI.2025-05-14T03:27:04.045_1
Header ID
GRAVI.2025-05-14T03:27:04.045
Date updated
2025-05-14 06:29:08 UTC+0000
Release date
2026-05-14 03:40:55 UTC+0000
UTC Start
2025-05-14 03:27:04.045
UTC End
2025-05-14 03:33:04.045
MJD Start
60809.14379682
MJD End
60809.14796348666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0057305
Ambient temperature (°C)
15.65
Seeing (arcsec)
0.525
Observation
ID
67386
Category
science
Program ID
115.29EH.001
Program Title
PDS 70 D REVEALED BY TROJAN DUST
Program Type
ToO
PI / COI
BALSALOBRE RUZA / CHRISTIAENS / HUELAMO / LACOUR / WAHHAJ / HAMMOND / BLAKELY / BENISTY / LILLO BOX / PETROVICH / DE GREGORIO-MONSALVO / RIBAS / MENDIGUTIA / ABSIL / JUILLARD / LATOUR / HERON / GARRIDO DEUTELMOSER / BAE / CHARALAMBOUS / TREVASCUS
Target
ID
50119
Name
PDS70
RA
212.045805
DEC
-41.39821
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 54.5040 54.3570 27.5000 28.3000
U1-U3 99.1060 98.8010 34.0000 34.8000
U1-U4 128.6260 128.2370 62.1190 63.0650
U2-U3 45.3760 45.2240 41.9000 42.7000
U2-U4 89.2810 89.1590 82.3900 83.4160
U3-U4 62.2160 62.3120 110.6750 111.6770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.29EH.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60809.14379682
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME PDS70
HIERARCH ESO INS SOBJ NAME PDS70
RA 212.045805
DEC -41.39821
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 54.504
HIERARCH ESO ISS PBL12 END 54.357
HIERARCH ESO ISS PBLA12 START 27.5
HIERARCH ESO ISS PBLA12 END 28.3
HIERARCH ESO ISS PBL13 START 99.106
HIERARCH ESO ISS PBL13 END 98.801
HIERARCH ESO ISS PBLA13 START 34.0
HIERARCH ESO ISS PBLA13 END 34.8
HIERARCH ESO ISS PBL14 START 128.626
HIERARCH ESO ISS PBL14 END 128.237
HIERARCH ESO ISS PBLA14 START 62.119
HIERARCH ESO ISS PBLA14 END 63.065
HIERARCH ESO ISS PBL23 START 45.376
HIERARCH ESO ISS PBL23 END 45.224
HIERARCH ESO ISS PBLA23 START 41.9
HIERARCH ESO ISS PBLA23 END 42.7
HIERARCH ESO ISS PBL24 START 89.281
HIERARCH ESO ISS PBL24 END 89.159
HIERARCH ESO ISS PBLA24 START 82.39
HIERARCH ESO ISS PBLA24 END 83.416
HIERARCH ESO ISS PBL34 START 62.216
HIERARCH ESO ISS PBL34 END 62.312
HIERARCH ESO ISS PBLA34 START 110.675
HIERARCH ESO ISS PBLA34 END 111.677
HIERARCH ESO ISS AMBI TAU0 START 0.005498
HIERARCH ESO ISS AMBI TAU0 END 0.005963
HIERARCH ESO ISS AMBI TEMP 15.65
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.52
HIERARCH ESO FT ROBJ NAME PDS70
HIERARCH ESO FT ROBJ ALPHA 140810.155
HIERARCH ESO FT ROBJ DELTA -412352.573