Exposure
- ID
- GRAVI.2025-04-16T23:33:36.990_2
- Header ID
- GRAVI.2025-04-16T23:33:36.990
- Date updated
- 2025-04-16 23:50:51 UTC+0000
- Release date
- 2025-04-16 23:50:51 UTC+0000
- UTC Start
- 2025-04-16 23:33:36.990
- UTC End
- 2025-04-16 23:38:56.990
- MJD Start
- 60781.98167812
- MJD End
- 60781.9853818237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002307
- Ambient temperature (°C)
- 13.15
- Seeing (arcsec)
- 1.77
Observation
- ID
- 58881
- Category
- science
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 43539
- Name
- P0153_A
- RA
- 127.85825416666665
- DEC
- -36.69347222222222
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.5210 | 55.4220 | 26.7000 | 27.3000 |
| U1-U3 | 100.7650 | 100.5590 | 33.1000 | 33.8000 |
| U1-U4 | 129.4590 | 129.1970 | 61.1130 | 61.8950 |
| U2-U3 | 46.0130 | 45.9100 | 40.8000 | 41.5000 |
| U2-U4 | 89.3730 | 89.2940 | 81.6840 | 82.5220 |
| U3-U4 | 62.3120 | 62.3840 | 110.5610 | 111.3810 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60781.98167812 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | P0153_B |
| HIERARCH ESO INS SOBJ NAME | P0153_B |
| RA | 127.857419 |
| DEC | -36.69305 |
| 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 | 339.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 55.521 |
| HIERARCH ESO ISS PBL12 END | 55.422 |
| HIERARCH ESO ISS PBLA12 START | 26.7 |
| HIERARCH ESO ISS PBLA12 END | 27.3 |
| HIERARCH ESO ISS PBL13 START | 100.765 |
| HIERARCH ESO ISS PBL13 END | 100.559 |
| HIERARCH ESO ISS PBLA13 START | 33.1 |
| HIERARCH ESO ISS PBLA13 END | 33.8 |
| HIERARCH ESO ISS PBL14 START | 129.459 |
| HIERARCH ESO ISS PBL14 END | 129.197 |
| HIERARCH ESO ISS PBLA14 START | 61.113 |
| HIERARCH ESO ISS PBLA14 END | 61.895 |
| HIERARCH ESO ISS PBL23 START | 46.013 |
| HIERARCH ESO ISS PBL23 END | 45.91 |
| HIERARCH ESO ISS PBLA23 START | 40.8 |
| HIERARCH ESO ISS PBLA23 END | 41.5 |
| HIERARCH ESO ISS PBL24 START | 89.373 |
| HIERARCH ESO ISS PBL24 END | 89.294 |
| HIERARCH ESO ISS PBLA24 START | 81.684 |
| HIERARCH ESO ISS PBLA24 END | 82.522 |
| HIERARCH ESO ISS PBL34 START | 62.312 |
| HIERARCH ESO ISS PBL34 END | 62.384 |
| HIERARCH ESO ISS PBLA34 START | 110.561 |
| HIERARCH ESO ISS PBLA34 END | 111.381 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002686 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001928 |
| HIERARCH ESO ISS AMBI TEMP | 13.15 |
| HIERARCH ESO ISS AMBI FWHM START | 1.79 |
| HIERARCH ESO ISS AMBI FWHM END | 1.75 |
| HIERARCH ESO FT ROBJ NAME | P0153_A |
| HIERARCH ESO FT ROBJ ALPHA | 083125.981 |
| HIERARCH ESO FT ROBJ DELTA | -364136.500 |