Exposure
- ID
- GRAVI.2025-03-17T06:50:51.107_2
- Header ID
- GRAVI.2025-03-17T06:50:51.107
- Date updated
- 2025-03-17 07:05:35 UTC+0000
- Release date
- 2025-03-17 06:50:51 UTC+0000
- UTC Start
- 2025-03-17 06:50:51.107
- UTC End
- 2025-03-17 06:56:51.107
- MJD Start
- 60751.28531374
- MJD End
- 60751.28948040667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008612
- Ambient temperature (°C)
- 15.11
- Seeing (arcsec)
- 0.49
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 | 56.2720 | 56.2590 | 354.3000 | 355.2000 |
| U1-U3 | 100.6240 | 100.6140 | 358.2000 | 359.3000 |
| U1-U4 | 110.5610 | 111.1100 | 18.2340 | 19.8380 |
| U2-U3 | 44.6520 | 44.6740 | 3.2000 | 4.4000 |
| U2-U4 | 63.3870 | 64.3820 | 39.3480 | 41.1850 |
| U3-U4 | 37.9670 | 39.1690 | 83.3030 | 84.2840 |
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 | 60751.28531374 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.417239 |
| DEC | -29.00786 |
| 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 | 56.272 |
| HIERARCH ESO ISS PBL12 END | 56.259 |
| HIERARCH ESO ISS PBLA12 START | 354.3 |
| HIERARCH ESO ISS PBLA12 END | 355.2 |
| HIERARCH ESO ISS PBL13 START | 100.624 |
| HIERARCH ESO ISS PBL13 END | 100.614 |
| HIERARCH ESO ISS PBLA13 START | 358.2 |
| HIERARCH ESO ISS PBLA13 END | 359.3 |
| HIERARCH ESO ISS PBL14 START | 110.561 |
| HIERARCH ESO ISS PBL14 END | 111.11 |
| HIERARCH ESO ISS PBLA14 START | 18.234 |
| HIERARCH ESO ISS PBLA14 END | 19.838 |
| HIERARCH ESO ISS PBL23 START | 44.652 |
| HIERARCH ESO ISS PBL23 END | 44.674 |
| HIERARCH ESO ISS PBLA23 START | 3.2 |
| HIERARCH ESO ISS PBLA23 END | 4.4 |
| HIERARCH ESO ISS PBL24 START | 63.387 |
| HIERARCH ESO ISS PBL24 END | 64.382 |
| HIERARCH ESO ISS PBLA24 START | 39.348 |
| HIERARCH ESO ISS PBLA24 END | 41.185 |
| HIERARCH ESO ISS PBL34 START | 37.967 |
| HIERARCH ESO ISS PBL34 END | 39.169 |
| HIERARCH ESO ISS PBLA34 START | 83.303 |
| HIERARCH ESO ISS PBLA34 END | 84.284 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007982 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009242 |
| HIERARCH ESO ISS AMBI TEMP | 15.11 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.099 |
| HIERARCH ESO FT ROBJ DELTA | -290027.653 |