Exposure
- ID
- GRAVI.2025-07-07T06:55:34.058_2
- Header ID
- GRAVI.2025-07-07T06:55:34.058
- Date updated
- 2025-07-07 07:10:44 UTC+0000
- Release date
- 2025-07-07 07:10:44 UTC+0000
- UTC Start
- 2025-07-07 06:55:34.058
- UTC End
- 2025-07-07 07:00:54.058
- MJD Start
- 60863.28858864
- MJD End
- 60863.29229234371
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005652000000000001
- Ambient temperature (°C)
- 13.73
- Seeing (arcsec)
- 0.5
Observation
- ID
- 68279
- Category
- science
- Program ID
- 60.A-9256(A)
- Program Title
- CALIBRATION RUN FOR GRAVITY
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 42384
- Name
- P2485_A
- RA
- 317.6056458333333
- DEC
- -54.57374416666667
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 | 50.4780 | 50.2920 | 29.9000 | 30.7000 |
| U1-U3 | 92.7140 | 92.3340 | 36.7000 | 37.5000 |
| U1-U4 | 125.9460 | 125.5070 | 64.4550 | 65.5110 |
| U2-U3 | 43.0110 | 42.8260 | 44.7000 | 45.6000 |
| U2-U4 | 89.1110 | 88.9950 | 83.2030 | 84.3440 |
| U3-U4 | 61.5820 | 61.7180 | 108.9800 | 110.0840 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9256(A) |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60863.28858864 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | P2485_B |
| HIERARCH ESO INS SOBJ NAME | P2485_B |
| RA | 317.608905 |
| DEC | -54.57434 |
| 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 | 50.478 |
| HIERARCH ESO ISS PBL12 END | 50.292 |
| HIERARCH ESO ISS PBLA12 START | 29.9 |
| HIERARCH ESO ISS PBLA12 END | 30.7 |
| HIERARCH ESO ISS PBL13 START | 92.714 |
| HIERARCH ESO ISS PBL13 END | 92.334 |
| HIERARCH ESO ISS PBLA13 START | 36.7 |
| HIERARCH ESO ISS PBLA13 END | 37.5 |
| HIERARCH ESO ISS PBL14 START | 125.946 |
| HIERARCH ESO ISS PBL14 END | 125.507 |
| HIERARCH ESO ISS PBLA14 START | 64.455 |
| HIERARCH ESO ISS PBLA14 END | 65.511 |
| HIERARCH ESO ISS PBL23 START | 43.011 |
| HIERARCH ESO ISS PBL23 END | 42.826 |
| HIERARCH ESO ISS PBLA23 START | 44.7 |
| HIERARCH ESO ISS PBLA23 END | 45.6 |
| HIERARCH ESO ISS PBL24 START | 89.111 |
| HIERARCH ESO ISS PBL24 END | 88.995 |
| HIERARCH ESO ISS PBLA24 START | 83.203 |
| HIERARCH ESO ISS PBLA24 END | 84.344 |
| HIERARCH ESO ISS PBL34 START | 61.582 |
| HIERARCH ESO ISS PBL34 END | 61.718 |
| HIERARCH ESO ISS PBLA34 START | 108.98 |
| HIERARCH ESO ISS PBLA34 END | 110.084 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00576 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005544 |
| HIERARCH ESO ISS AMBI TEMP | 13.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | P2485_A |
| HIERARCH ESO FT ROBJ ALPHA | 211025.355 |
| HIERARCH ESO FT ROBJ DELTA | -543425.479 |