Exposure
- ID
- GRAVI.2024-05-29T07:26:19.674_2
- Header ID
- GRAVI.2024-05-29T07:26:19.674
- Date updated
- 2024-05-29 07:40:36 UTC+0000
- Release date
- 2025-05-29 07:40:36 UTC+0000
- UTC Start
- 2024-05-29 07:26:19.674
- UTC End
- 2024-05-29 07:32:19.674
- MJD Start
- 60459.30994993
- MJD End
- 60459.3141165967
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004304
- Ambient temperature (°C)
- 14.79
- Seeing (arcsec)
- 0.495
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 | 54.9940 | 54.8030 | 34.2000 | 34.7000 |
| U1-U3 | 98.9290 | 98.4850 | 40.5000 | 41.0000 |
| U1-U4 | 122.8490 | 121.8080 | 69.5570 | 70.1690 |
| U2-U3 | 44.6890 | 44.4330 | 48.3000 | 48.8000 |
| U2-U4 | 84.2670 | 83.4970 | 91.7630 | 92.5730 |
| U3-U4 | 60.2270 | 59.8680 | 122.4250 | 123.4370 |
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 | 60459.30994993 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416878 |
| DEC | -29.00732 |
| 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 | 54.994 |
| HIERARCH ESO ISS PBL12 END | 54.803 |
| HIERARCH ESO ISS PBLA12 START | 34.2 |
| HIERARCH ESO ISS PBLA12 END | 34.7 |
| HIERARCH ESO ISS PBL13 START | 98.929 |
| HIERARCH ESO ISS PBL13 END | 98.485 |
| HIERARCH ESO ISS PBLA13 START | 40.5 |
| HIERARCH ESO ISS PBLA13 END | 41.0 |
| HIERARCH ESO ISS PBL14 START | 122.849 |
| HIERARCH ESO ISS PBL14 END | 121.808 |
| HIERARCH ESO ISS PBLA14 START | 69.557 |
| HIERARCH ESO ISS PBLA14 END | 70.169 |
| HIERARCH ESO ISS PBL23 START | 44.689 |
| HIERARCH ESO ISS PBL23 END | 44.433 |
| HIERARCH ESO ISS PBLA23 START | 48.3 |
| HIERARCH ESO ISS PBLA23 END | 48.8 |
| HIERARCH ESO ISS PBL24 START | 84.267 |
| HIERARCH ESO ISS PBL24 END | 83.497 |
| HIERARCH ESO ISS PBLA24 START | 91.763 |
| HIERARCH ESO ISS PBLA24 END | 92.573 |
| HIERARCH ESO ISS PBL34 START | 60.227 |
| HIERARCH ESO ISS PBL34 END | 59.868 |
| HIERARCH ESO ISS PBLA34 START | 122.425 |
| HIERARCH ESO ISS PBLA34 END | 123.437 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004611 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003997 |
| HIERARCH ESO ISS AMBI TEMP | 14.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |