Exposure
- ID
- GRAVI.2025-03-16T06:56:19.205_2
- Header ID
- GRAVI.2025-03-16T06:56:19.205
- Date updated
- 2025-03-16 07:10:42 UTC+0000
- Release date
- 2025-03-16 06:56:19 UTC+0000
- UTC Start
- 2025-03-16 06:56:19.205
- UTC End
- 2025-03-16 07:02:19.205
- MJD Start
- 60750.28911117
- MJD End
- 60750.29327783667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0062109999999999995
- Ambient temperature (°C)
- 13.73
- Seeing (arcsec)
- 0.62
Observation
- ID
- 65078
- Category
- calibrator
- Program ID
- 114.270V.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY(+) - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROU
Target
- ID
- 45257
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.007681388888887
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 | 56.2690 | 56.2560 | 354.5000 | 355.4000 |
| U1-U3 | 100.6210 | 100.6130 | 358.5000 | 359.5000 |
| U1-U4 | 110.6910 | 111.2480 | 18.6240 | 20.2230 |
| U2-U3 | 44.6570 | 44.6800 | 3.5000 | 4.7000 |
| U2-U4 | 63.6260 | 64.6270 | 39.7990 | 41.6200 |
| U3-U4 | 38.2610 | 39.4570 | 83.5420 | 84.5090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60750.28911117 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417527 |
| DEC | -29.00711 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.269 |
| HIERARCH ESO ISS PBL12 END | 56.256 |
| HIERARCH ESO ISS PBLA12 START | 354.5 |
| HIERARCH ESO ISS PBLA12 END | 355.4 |
| HIERARCH ESO ISS PBL13 START | 100.621 |
| HIERARCH ESO ISS PBL13 END | 100.613 |
| HIERARCH ESO ISS PBLA13 START | 358.5 |
| HIERARCH ESO ISS PBLA13 END | 359.5 |
| HIERARCH ESO ISS PBL14 START | 110.691 |
| HIERARCH ESO ISS PBL14 END | 111.248 |
| HIERARCH ESO ISS PBLA14 START | 18.624 |
| HIERARCH ESO ISS PBLA14 END | 20.223 |
| HIERARCH ESO ISS PBL23 START | 44.657 |
| HIERARCH ESO ISS PBL23 END | 44.68 |
| HIERARCH ESO ISS PBLA23 START | 3.5 |
| HIERARCH ESO ISS PBLA23 END | 4.7 |
| HIERARCH ESO ISS PBL24 START | 63.626 |
| HIERARCH ESO ISS PBL24 END | 64.627 |
| HIERARCH ESO ISS PBLA24 START | 39.799 |
| HIERARCH ESO ISS PBLA24 END | 41.62 |
| HIERARCH ESO ISS PBL34 START | 38.261 |
| HIERARCH ESO ISS PBL34 END | 39.457 |
| HIERARCH ESO ISS PBLA34 START | 83.542 |
| HIERARCH ESO ISS PBLA34 END | 84.509 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006548 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005874 |
| HIERARCH ESO ISS AMBI TEMP | 13.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.099 |
| HIERARCH ESO FT ROBJ DELTA | -290027.653 |