Exposure
- ID
- GRAVI.2025-07-08T00:06:05.015_2
- Header ID
- GRAVI.2025-07-08T00:06:05.015
- Date updated
- 2025-07-08 00:20:35 UTC+0000
- Release date
- 2025-07-08 00:06:05 UTC+0000
- UTC Start
- 2025-07-08 00:06:05.015
- UTC End
- 2025-07-08 00:12:05.015
- MJD Start
- 60864.00422471
- MJD End
- 60864.008391376665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0071825
- Ambient temperature (°C)
- 15.78
- Seeing (arcsec)
- 0.585
Observation
- ID
- 68251
- Category
- calibrator
- 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 | 56.2280 | 56.2290 | 0.0000 | 1.0000 |
| U1-U3 | 100.6970 | 100.7390 | 4.7000 | 5.7000 |
| U1-U4 | 114.4310 | 115.1510 | 27.6970 | 29.1430 |
| U2-U3 | 44.8880 | 44.9480 | 10.5000 | 11.7000 |
| U2-U4 | 69.7160 | 70.7660 | 49.6990 | 51.1890 |
| U3-U4 | 44.9870 | 46.0400 | 88.7870 | 89.5880 |
Invalid fields
| Key |
|---|
| PROJECTED_BASELINES |
Header: validation messages
| Message |
|---|
| Invalid value for 'HIERARCH ESO ISS PBLA12 START' : '0.0' |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27WT.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60864.00422471 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416192 |
| DEC | -29.00744 |
| 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 | 56.228 |
| HIERARCH ESO ISS PBL12 END | 56.229 |
| HIERARCH ESO ISS PBLA12 START | 0.0 |
| HIERARCH ESO ISS PBLA12 END | 1.0 |
| HIERARCH ESO ISS PBL13 START | 100.697 |
| HIERARCH ESO ISS PBL13 END | 100.739 |
| HIERARCH ESO ISS PBLA13 START | 4.7 |
| HIERARCH ESO ISS PBLA13 END | 5.7 |
| HIERARCH ESO ISS PBL14 START | 114.431 |
| HIERARCH ESO ISS PBL14 END | 115.151 |
| HIERARCH ESO ISS PBLA14 START | 27.697 |
| HIERARCH ESO ISS PBLA14 END | 29.143 |
| HIERARCH ESO ISS PBL23 START | 44.888 |
| HIERARCH ESO ISS PBL23 END | 44.948 |
| HIERARCH ESO ISS PBLA23 START | 10.5 |
| HIERARCH ESO ISS PBLA23 END | 11.7 |
| HIERARCH ESO ISS PBL24 START | 69.716 |
| HIERARCH ESO ISS PBL24 END | 70.766 |
| HIERARCH ESO ISS PBLA24 START | 49.699 |
| HIERARCH ESO ISS PBLA24 END | 51.189 |
| HIERARCH ESO ISS PBL34 START | 44.987 |
| HIERARCH ESO ISS PBL34 END | 46.04 |
| HIERARCH ESO ISS PBLA34 START | 88.787 |
| HIERARCH ESO ISS PBLA34 END | 89.588 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007152 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007213 |
| HIERARCH ESO ISS AMBI TEMP | 15.78 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0990 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6520 |