Exposure
- ID
- GRAVI.2024-06-26T06:08:50.212_2
- Header ID
- GRAVI.2024-06-26T06:08:50.212
- Date updated
- 2024-06-26 06:25:31 UTC+0000
- Release date
- 2025-06-26 06:25:31 UTC+0000
- UTC Start
- 2024-06-26 06:08:50.212
- UTC End
- 2024-06-26 06:14:50.212
- MJD Start
- 60487.25613671
- MJD End
- 60487.2603033767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002713
- Ambient temperature (°C)
- 11.26
- Seeing (arcsec)
- 0.605
Observation
- ID
- 59742
- Category
- science
- Program ID
- 113.268P.003
- 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 | 53.8970 | 53.6390 | 36.5000 | 36.9000 |
| U1-U3 | 96.3860 | 95.7900 | 42.8000 | 43.2000 |
| U1-U4 | 116.9120 | 115.5320 | 72.5560 | 73.1280 |
| U2-U3 | 43.2220 | 42.8800 | 50.7000 | 51.1000 |
| U2-U4 | 79.8970 | 78.8900 | 95.9410 | 96.8040 |
| U3-U4 | 58.2220 | 57.7740 | 127.7590 | 128.8910 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60487.25613671 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.417093 |
| DEC | -29.00678 |
| 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 | 53.897 |
| HIERARCH ESO ISS PBL12 END | 53.639 |
| HIERARCH ESO ISS PBLA12 START | 36.5 |
| HIERARCH ESO ISS PBLA12 END | 36.9 |
| HIERARCH ESO ISS PBL13 START | 96.386 |
| HIERARCH ESO ISS PBL13 END | 95.79 |
| HIERARCH ESO ISS PBLA13 START | 42.8 |
| HIERARCH ESO ISS PBLA13 END | 43.2 |
| HIERARCH ESO ISS PBL14 START | 116.912 |
| HIERARCH ESO ISS PBL14 END | 115.532 |
| HIERARCH ESO ISS PBLA14 START | 72.556 |
| HIERARCH ESO ISS PBLA14 END | 73.128 |
| HIERARCH ESO ISS PBL23 START | 43.222 |
| HIERARCH ESO ISS PBL23 END | 42.88 |
| HIERARCH ESO ISS PBLA23 START | 50.7 |
| HIERARCH ESO ISS PBLA23 END | 51.1 |
| HIERARCH ESO ISS PBL24 START | 79.897 |
| HIERARCH ESO ISS PBL24 END | 78.89 |
| HIERARCH ESO ISS PBLA24 START | 95.941 |
| HIERARCH ESO ISS PBLA24 END | 96.804 |
| HIERARCH ESO ISS PBL34 START | 58.222 |
| HIERARCH ESO ISS PBL34 END | 57.774 |
| HIERARCH ESO ISS PBLA34 START | 127.759 |
| HIERARCH ESO ISS PBLA34 END | 128.891 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002776 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00265 |
| HIERARCH ESO ISS AMBI TEMP | 11.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |