Exposure
- ID
- GRAVI.2025-07-07T04:51:55.214_2
- Header ID
- GRAVI.2025-07-07T04:51:55.214
- Date updated
- 2025-07-07 05:10:37 UTC+0000
- Release date
- 2026-07-07 05:10:37 UTC+0000
- UTC Start
- 2025-07-07 04:51:55.214
- UTC End
- 2025-07-07 04:57:55.214
- MJD Start
- 60863.20272238
- MJD End
- 60863.20688904667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008626499999999999
- Ambient temperature (°C)
- 14.12
- Seeing (arcsec)
- 0.43
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 | 55.0510 | 54.8660 | 34.0000 | 34.5000 |
| U1-U3 | 99.0630 | 98.6320 | 40.4000 | 40.9000 |
| U1-U4 | 123.1610 | 122.1530 | 69.3650 | 69.9730 |
| U2-U3 | 44.7660 | 44.5180 | 48.2000 | 48.7000 |
| U2-U4 | 84.4980 | 83.7520 | 91.5120 | 92.3110 |
| U3-U4 | 60.3360 | 59.9870 | 122.1130 | 123.1070 |
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 | 60863.20272238 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416511 |
| DEC | -29.00752 |
| 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 | 55.051 |
| HIERARCH ESO ISS PBL12 END | 54.866 |
| HIERARCH ESO ISS PBLA12 START | 34.0 |
| HIERARCH ESO ISS PBLA12 END | 34.5 |
| HIERARCH ESO ISS PBL13 START | 99.063 |
| HIERARCH ESO ISS PBL13 END | 98.632 |
| HIERARCH ESO ISS PBLA13 START | 40.4 |
| HIERARCH ESO ISS PBLA13 END | 40.9 |
| HIERARCH ESO ISS PBL14 START | 123.161 |
| HIERARCH ESO ISS PBL14 END | 122.153 |
| HIERARCH ESO ISS PBLA14 START | 69.365 |
| HIERARCH ESO ISS PBLA14 END | 69.973 |
| HIERARCH ESO ISS PBL23 START | 44.766 |
| HIERARCH ESO ISS PBL23 END | 44.518 |
| HIERARCH ESO ISS PBLA23 START | 48.2 |
| HIERARCH ESO ISS PBLA23 END | 48.7 |
| HIERARCH ESO ISS PBL24 START | 84.498 |
| HIERARCH ESO ISS PBL24 END | 83.752 |
| HIERARCH ESO ISS PBLA24 START | 91.512 |
| HIERARCH ESO ISS PBLA24 END | 92.311 |
| HIERARCH ESO ISS PBL34 START | 60.336 |
| HIERARCH ESO ISS PBL34 END | 59.987 |
| HIERARCH ESO ISS PBLA34 START | 122.113 |
| HIERARCH ESO ISS PBLA34 END | 123.107 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009189 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008064 |
| HIERARCH ESO ISS AMBI TEMP | 14.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |