Exposure
- ID
- GRAVI.2025-07-07T05:06:58.252_2
- Header ID
- GRAVI.2025-07-07T05:06:58.252
- Date updated
- 2025-07-07 05:20:44 UTC+0000
- Release date
- 2026-07-07 05:20:44 UTC+0000
- UTC Start
- 2025-07-07 05:06:58.252
- UTC End
- 2025-07-07 05:12:58.252
- MJD Start
- 60863.21317421
- MJD End
- 60863.21734087667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0071094999999999995
- Ambient temperature (°C)
- 14.02
- Seeing (arcsec)
- 0.51
Observation
- ID
- 68254
- Category
- science
- Program ID
- 115.27WT.003
- 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 / MANG / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / GARCIA / PAUMARD / BOURDAROT / STURM / LUTZ / LE BOUQUIN / CAO / KREIDBERG / HOENIG / FOSCHI / PERRIN / CARDOSO / AIMAR / URSO / ABD EL DAYEM / ROUSSELET-PER
Target
- ID
- 50720
- Name
- IRS16C
- RA
- 266.4170791666666
- DEC
- -29.00768111111111
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 | 54.5990 | 54.3830 | 35.1000 | 35.6000 |
| U1-U3 | 98.0110 | 97.5100 | 41.5000 | 41.9000 |
| U1-U4 | 120.6980 | 119.5280 | 70.7730 | 71.3640 |
| U2-U3 | 44.1590 | 43.8700 | 49.3000 | 49.8000 |
| U2-U4 | 82.6770 | 81.8150 | 93.3930 | 94.2150 |
| U3-U4 | 59.4880 | 59.0910 | 124.4730 | 125.5230 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60863.21317421 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416479 |
| DEC | -29.00748 |
| 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 | 54.599 |
| HIERARCH ESO ISS PBL12 END | 54.383 |
| HIERARCH ESO ISS PBLA12 START | 35.1 |
| HIERARCH ESO ISS PBLA12 END | 35.6 |
| HIERARCH ESO ISS PBL13 START | 98.011 |
| HIERARCH ESO ISS PBL13 END | 97.51 |
| HIERARCH ESO ISS PBLA13 START | 41.5 |
| HIERARCH ESO ISS PBLA13 END | 41.9 |
| HIERARCH ESO ISS PBL14 START | 120.698 |
| HIERARCH ESO ISS PBL14 END | 119.528 |
| HIERARCH ESO ISS PBLA14 START | 70.773 |
| HIERARCH ESO ISS PBLA14 END | 71.364 |
| HIERARCH ESO ISS PBL23 START | 44.159 |
| HIERARCH ESO ISS PBL23 END | 43.87 |
| HIERARCH ESO ISS PBLA23 START | 49.3 |
| HIERARCH ESO ISS PBLA23 END | 49.8 |
| HIERARCH ESO ISS PBL24 START | 82.677 |
| HIERARCH ESO ISS PBL24 END | 81.815 |
| HIERARCH ESO ISS PBLA24 START | 93.393 |
| HIERARCH ESO ISS PBLA24 END | 94.215 |
| HIERARCH ESO ISS PBL34 START | 59.488 |
| HIERARCH ESO ISS PBL34 END | 59.091 |
| HIERARCH ESO ISS PBLA34 START | 124.473 |
| HIERARCH ESO ISS PBLA34 END | 125.523 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008555 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005664 |
| HIERARCH ESO ISS AMBI TEMP | 14.02 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |