Exposure
- ID
- GRAVI.2024-07-18T00:09:33.023_2
- Header ID
- GRAVI.2024-07-18T00:09:33.023
- Date updated
- 2024-07-18 05:20:33 UTC+0000
- Release date
- 2025-07-18 05:20:33 UTC+0000
- UTC Start
- 2024-07-18 00:09:33.023
- UTC End
- 2024-07-18 00:16:13.023
- MJD Start
- 60509.00663221
- MJD End
- 60509.0112618396
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0084045
- Ambient temperature (°C)
- 18.64
- Seeing (arcsec)
- 0.53
Observation
- ID
- 60143
- Category
- science
- Program ID
- 113.268P.004
- 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
- 43558
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816666667
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 | 56.2820 | 56.2990 | 6.4000 | 7.3000 |
| U1-U3 | 101.1160 | 101.2060 | 11.7000 | 12.8000 |
| U1-U4 | 119.5340 | 120.3570 | 36.9770 | 38.3320 |
| U2-U3 | 45.3770 | 45.4680 | 18.3000 | 19.4000 |
| U2-U4 | 76.6680 | 77.7040 | 58.9400 | 60.2370 |
| U3-U4 | 51.5740 | 52.4900 | 93.9340 | 94.7030 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60509.00663221 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16SW |
| RA | 266.416885 |
| DEC | -29.0075 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.282 |
| HIERARCH ESO ISS PBL12 END | 56.299 |
| HIERARCH ESO ISS PBLA12 START | 6.4 |
| HIERARCH ESO ISS PBLA12 END | 7.3 |
| HIERARCH ESO ISS PBL13 START | 101.116 |
| HIERARCH ESO ISS PBL13 END | 101.206 |
| HIERARCH ESO ISS PBLA13 START | 11.7 |
| HIERARCH ESO ISS PBLA13 END | 12.8 |
| HIERARCH ESO ISS PBL14 START | 119.534 |
| HIERARCH ESO ISS PBL14 END | 120.357 |
| HIERARCH ESO ISS PBLA14 START | 36.977 |
| HIERARCH ESO ISS PBLA14 END | 38.332 |
| HIERARCH ESO ISS PBL23 START | 45.377 |
| HIERARCH ESO ISS PBL23 END | 45.468 |
| HIERARCH ESO ISS PBLA23 START | 18.3 |
| HIERARCH ESO ISS PBLA23 END | 19.4 |
| HIERARCH ESO ISS PBL24 START | 76.668 |
| HIERARCH ESO ISS PBL24 END | 77.704 |
| HIERARCH ESO ISS PBLA24 START | 58.94 |
| HIERARCH ESO ISS PBLA24 END | 60.237 |
| HIERARCH ESO ISS PBL34 START | 51.574 |
| HIERARCH ESO ISS PBL34 END | 52.49 |
| HIERARCH ESO ISS PBLA34 START | 93.934 |
| HIERARCH ESO ISS PBLA34 END | 94.703 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008371 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008438 |
| HIERARCH ESO ISS AMBI TEMP | 18.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.100 |
| HIERARCH ESO FT ROBJ DELTA | -290027.654 |