Exposure
- ID
- GRAVI.2024-07-18T00:51:54.131_2
- Header ID
- GRAVI.2024-07-18T00:51:54.131
- Date updated
- 2024-07-18 06:30:37 UTC+0000
- Release date
- 2025-07-18 06:30:37 UTC+0000
- UTC Start
- 2024-07-18 00:51:54.131
- UTC End
- 2024-07-18 00:57:54.131
- MJD Start
- 60509.03604318
- MJD End
- 60509.0402098467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0070965
- Ambient temperature (°C)
- 18.12
- Seeing (arcsec)
- 0.63
Observation
- ID
- 60139
- 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
- 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 | 56.4100 | 56.4310 | 12.3000 | 13.2000 |
| U1-U3 | 101.7110 | 101.8030 | 18.1000 | 19.0000 |
| U1-U4 | 124.3340 | 124.9930 | 44.7480 | 45.8320 |
| U2-U3 | 45.9430 | 46.0270 | 25.2000 | 26.2000 |
| U2-U4 | 82.4810 | 83.2430 | 66.2730 | 67.2840 |
| U3-U4 | 56.5610 | 57.1910 | 98.5210 | 99.2060 |
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 | 60509.03604318 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416896 |
| DEC | -29.00733 |
| 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 | 56.41 |
| HIERARCH ESO ISS PBL12 END | 56.431 |
| HIERARCH ESO ISS PBLA12 START | 12.3 |
| HIERARCH ESO ISS PBLA12 END | 13.2 |
| HIERARCH ESO ISS PBL13 START | 101.711 |
| HIERARCH ESO ISS PBL13 END | 101.803 |
| HIERARCH ESO ISS PBLA13 START | 18.1 |
| HIERARCH ESO ISS PBLA13 END | 19.0 |
| HIERARCH ESO ISS PBL14 START | 124.334 |
| HIERARCH ESO ISS PBL14 END | 124.993 |
| HIERARCH ESO ISS PBLA14 START | 44.748 |
| HIERARCH ESO ISS PBLA14 END | 45.832 |
| HIERARCH ESO ISS PBL23 START | 45.943 |
| HIERARCH ESO ISS PBL23 END | 46.027 |
| HIERARCH ESO ISS PBLA23 START | 25.2 |
| HIERARCH ESO ISS PBLA23 END | 26.2 |
| HIERARCH ESO ISS PBL24 START | 82.481 |
| HIERARCH ESO ISS PBL24 END | 83.243 |
| HIERARCH ESO ISS PBLA24 START | 66.273 |
| HIERARCH ESO ISS PBLA24 END | 67.284 |
| HIERARCH ESO ISS PBL34 START | 56.561 |
| HIERARCH ESO ISS PBL34 END | 57.191 |
| HIERARCH ESO ISS PBLA34 START | 98.521 |
| HIERARCH ESO ISS PBLA34 END | 99.206 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006257 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007936 |
| HIERARCH ESO ISS AMBI TEMP | 18.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |