Exposure
- ID
- GRAVI.2024-05-29T03:31:07.076_2
- Header ID
- GRAVI.2024-05-29T03:31:07.076
- Date updated
- 2024-05-29 03:45:35 UTC+0000
- Release date
- 2025-05-29 03:45:35 UTC+0000
- UTC Start
- 2024-05-29 03:31:07.076
- UTC End
- 2024-05-29 03:37:07.076
- MJD Start
- 60459.14660968
- MJD End
- 60459.1507763467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035205
- Ambient temperature (°C)
- 14.53
- Seeing (arcsec)
- 0.545
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 | 56.2940 | 56.3120 | 7.1000 | 8.0000 |
| U1-U3 | 101.1800 | 101.2670 | 12.4000 | 13.4000 |
| U1-U4 | 120.1250 | 120.8840 | 37.9510 | 39.1880 |
| U2-U3 | 45.4420 | 45.5280 | 19.1000 | 20.2000 |
| U2-U4 | 77.4140 | 78.3570 | 59.8740 | 61.0510 |
| U3-U4 | 52.2350 | 53.0620 | 94.4860 | 95.1940 |
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 | 60459.14660968 |
| 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 | 56.294 |
| HIERARCH ESO ISS PBL12 END | 56.312 |
| HIERARCH ESO ISS PBLA12 START | 7.1 |
| HIERARCH ESO ISS PBLA12 END | 8.0 |
| HIERARCH ESO ISS PBL13 START | 101.18 |
| HIERARCH ESO ISS PBL13 END | 101.267 |
| HIERARCH ESO ISS PBLA13 START | 12.4 |
| HIERARCH ESO ISS PBLA13 END | 13.4 |
| HIERARCH ESO ISS PBL14 START | 120.125 |
| HIERARCH ESO ISS PBL14 END | 120.884 |
| HIERARCH ESO ISS PBLA14 START | 37.951 |
| HIERARCH ESO ISS PBLA14 END | 39.188 |
| HIERARCH ESO ISS PBL23 START | 45.442 |
| HIERARCH ESO ISS PBL23 END | 45.528 |
| HIERARCH ESO ISS PBLA23 START | 19.1 |
| HIERARCH ESO ISS PBLA23 END | 20.2 |
| HIERARCH ESO ISS PBL24 START | 77.414 |
| HIERARCH ESO ISS PBL24 END | 78.357 |
| HIERARCH ESO ISS PBLA24 START | 59.874 |
| HIERARCH ESO ISS PBLA24 END | 61.051 |
| HIERARCH ESO ISS PBL34 START | 52.235 |
| HIERARCH ESO ISS PBL34 END | 53.062 |
| HIERARCH ESO ISS PBLA34 START | 94.486 |
| HIERARCH ESO ISS PBLA34 END | 95.194 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00266 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004381 |
| HIERARCH ESO ISS AMBI TEMP | 14.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |