Exposure
- ID
- GRAVI.2025-03-17T09:00:48.438_2
- Header ID
- GRAVI.2025-03-17T09:00:48.438
- Date updated
- 2025-03-17 09:20:47 UTC+0000
- Release date
- 2026-03-17 09:20:47 UTC+0000
- UTC Start
- 2025-03-17 09:00:48.438
- UTC End
- 2025-03-17 09:06:48.438
- MJD Start
- 60751.37556063
- MJD End
- 60751.37972729666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008004
- Ambient temperature (°C)
- 14.91
- Seeing (arcsec)
- 0.53
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 | 56.4240 | 56.4460 | 12.9000 | 13.8000 |
| U1-U3 | 101.7730 | 101.8640 | 18.7000 | 19.7000 |
| U1-U4 | 124.7760 | 125.4180 | 45.4750 | 46.5450 |
| U2-U3 | 45.9990 | 46.0810 | 25.9000 | 26.9000 |
| U2-U4 | 82.9930 | 83.7320 | 66.9510 | 67.9480 |
| U3-U4 | 56.9850 | 57.5930 | 98.9790 | 99.6650 |
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 | 60751.37556063 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417232 |
| DEC | -29.00787 |
| 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 | 56.424 |
| HIERARCH ESO ISS PBL12 END | 56.446 |
| HIERARCH ESO ISS PBLA12 START | 12.9 |
| HIERARCH ESO ISS PBLA12 END | 13.8 |
| HIERARCH ESO ISS PBL13 START | 101.773 |
| HIERARCH ESO ISS PBL13 END | 101.864 |
| HIERARCH ESO ISS PBLA13 START | 18.7 |
| HIERARCH ESO ISS PBLA13 END | 19.7 |
| HIERARCH ESO ISS PBL14 START | 124.776 |
| HIERARCH ESO ISS PBL14 END | 125.418 |
| HIERARCH ESO ISS PBLA14 START | 45.475 |
| HIERARCH ESO ISS PBLA14 END | 46.545 |
| HIERARCH ESO ISS PBL23 START | 45.999 |
| HIERARCH ESO ISS PBL23 END | 46.081 |
| HIERARCH ESO ISS PBLA23 START | 25.9 |
| HIERARCH ESO ISS PBLA23 END | 26.9 |
| HIERARCH ESO ISS PBL24 START | 82.993 |
| HIERARCH ESO ISS PBL24 END | 83.732 |
| HIERARCH ESO ISS PBLA24 START | 66.951 |
| HIERARCH ESO ISS PBLA24 END | 67.948 |
| HIERARCH ESO ISS PBL34 START | 56.985 |
| HIERARCH ESO ISS PBL34 END | 57.593 |
| HIERARCH ESO ISS PBLA34 START | 98.979 |
| HIERARCH ESO ISS PBLA34 END | 99.665 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007582 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008426 |
| HIERARCH ESO ISS AMBI TEMP | 14.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6530 |