Exposure
- ID
- GRAVI.2025-03-16T08:41:25.473_2
- Header ID
- GRAVI.2025-03-16T08:41:25.473
- Date updated
- 2025-03-16 08:55:38 UTC+0000
- Release date
- 2026-03-16 08:55:38 UTC+0000
- UTC Start
- 2025-03-16 08:41:25.473
- UTC End
- 2025-03-16 08:47:25.473
- MJD Start
- 60750.36210038
- MJD End
- 60750.366267046666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0066385
- Ambient temperature (°C)
- 13.59
- Seeing (arcsec)
- 0.76
Observation
- ID
- 65080
- Category
- science
- 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 | 56.3470 | 56.3680 | 9.7000 | 10.6000 |
| U1-U3 | 101.4360 | 101.5290 | 15.3000 | 16.2000 |
| U1-U4 | 122.2650 | 122.9850 | 41.4120 | 42.5680 |
| U2-U3 | 45.6890 | 45.7760 | 22.2000 | 23.2000 |
| U2-U4 | 80.0380 | 80.8980 | 63.1510 | 64.2360 |
| U3-U4 | 54.5090 | 55.2380 | 96.4920 | 97.1830 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.270V.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60750.36210038 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417548 |
| DEC | -29.00722 |
| 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 | 56.347 |
| HIERARCH ESO ISS PBL12 END | 56.368 |
| HIERARCH ESO ISS PBLA12 START | 9.7 |
| HIERARCH ESO ISS PBLA12 END | 10.6 |
| HIERARCH ESO ISS PBL13 START | 101.436 |
| HIERARCH ESO ISS PBL13 END | 101.529 |
| HIERARCH ESO ISS PBLA13 START | 15.3 |
| HIERARCH ESO ISS PBLA13 END | 16.2 |
| HIERARCH ESO ISS PBL14 START | 122.265 |
| HIERARCH ESO ISS PBL14 END | 122.985 |
| HIERARCH ESO ISS PBLA14 START | 41.412 |
| HIERARCH ESO ISS PBLA14 END | 42.568 |
| HIERARCH ESO ISS PBL23 START | 45.689 |
| HIERARCH ESO ISS PBL23 END | 45.776 |
| HIERARCH ESO ISS PBLA23 START | 22.2 |
| HIERARCH ESO ISS PBLA23 END | 23.2 |
| HIERARCH ESO ISS PBL24 START | 80.038 |
| HIERARCH ESO ISS PBL24 END | 80.898 |
| HIERARCH ESO ISS PBLA24 START | 63.151 |
| HIERARCH ESO ISS PBLA24 END | 64.236 |
| HIERARCH ESO ISS PBL34 START | 54.509 |
| HIERARCH ESO ISS PBL34 END | 55.238 |
| HIERARCH ESO ISS PBLA34 START | 96.492 |
| HIERARCH ESO ISS PBLA34 END | 97.183 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006175 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007102 |
| HIERARCH ESO ISS AMBI TEMP | 13.59 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |