Exposure
- ID
- GRAVI.2024-05-28T05:55:34.797_2
- Header ID
- GRAVI.2024-05-28T05:55:34.797
- Date updated
- 2024-05-28 06:10:30 UTC+0000
- Release date
- 2025-05-28 06:10:30 UTC+0000
- UTC Start
- 2024-05-28 05:55:34.797
- UTC End
- 2024-05-28 06:01:34.797
- MJD Start
- 60458.24693052
- MJD End
- 60458.2510971867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00578
- Ambient temperature (°C)
- 14.18
- Seeing (arcsec)
- 0.39
Observation
- ID
- 59423
- Category
- science
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 56.4730 | 56.4370 | 25.2000 | 25.9000 |
| U1-U3 | 102.3160 | 102.2430 | 31.5000 | 32.3000 |
| U1-U4 | 130.2020 | 130.1430 | 59.5050 | 60.2750 |
| U2-U3 | 46.6060 | 46.5720 | 39.2000 | 40.0000 |
| U2-U4 | 89.4120 | 89.4280 | 80.3590 | 81.1460 |
| U3-U4 | 62.3720 | 62.4370 | 109.8070 | 110.5700 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60458.24693052 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416855 |
| DEC | -29.0073 |
| 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 | 56.473 |
| HIERARCH ESO ISS PBL12 END | 56.437 |
| HIERARCH ESO ISS PBLA12 START | 25.2 |
| HIERARCH ESO ISS PBLA12 END | 25.9 |
| HIERARCH ESO ISS PBL13 START | 102.316 |
| HIERARCH ESO ISS PBL13 END | 102.243 |
| HIERARCH ESO ISS PBLA13 START | 31.5 |
| HIERARCH ESO ISS PBLA13 END | 32.3 |
| HIERARCH ESO ISS PBL14 START | 130.202 |
| HIERARCH ESO ISS PBL14 END | 130.143 |
| HIERARCH ESO ISS PBLA14 START | 59.505 |
| HIERARCH ESO ISS PBLA14 END | 60.275 |
| HIERARCH ESO ISS PBL23 START | 46.606 |
| HIERARCH ESO ISS PBL23 END | 46.572 |
| HIERARCH ESO ISS PBLA23 START | 39.2 |
| HIERARCH ESO ISS PBLA23 END | 40.0 |
| HIERARCH ESO ISS PBL24 START | 89.412 |
| HIERARCH ESO ISS PBL24 END | 89.428 |
| HIERARCH ESO ISS PBLA24 START | 80.359 |
| HIERARCH ESO ISS PBLA24 END | 81.146 |
| HIERARCH ESO ISS PBL34 START | 62.372 |
| HIERARCH ESO ISS PBL34 END | 62.437 |
| HIERARCH ESO ISS PBLA34 START | 109.807 |
| HIERARCH ESO ISS PBLA34 END | 110.57 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005702 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005858 |
| HIERARCH ESO ISS AMBI TEMP | 14.18 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |